Privacy Policy

Effective date: October 17, 2026
Last updated: October 17, 2026

This Privacy Policy explains how Langvivo ("Langvivo", "we", "us", or "our") collects, uses, stores, shares, and otherwise processes information when you access or use Langvivo websites, applications, services, features, communications, and related products (collectively, the "Service").

Langvivo is an independently operated online language-learning service.

This Privacy Policy is intended to apply globally. Depending on where you live, additional rights or requirements under applicable privacy and data protection laws may apply.

Some sections of this Privacy Policy describe processing that applies only when the corresponding feature, technology, integration, advertising system, payment functionality, analytics service, or other capability is enabled.

This Privacy Policy is informational. Where applicable law requires consent for a particular type of processing, your use of the Service alone does not constitute such consent, and we will request consent separately where required.

For privacy questions or requests, contact:

support@langvivo.com

1. Scope

This Privacy Policy applies to personal information processed in connection with the Service.

It does not govern the independent privacy practices of third-party websites, applications, platforms, payment providers, social networks, advertising providers, or other services that you may access through or in connection with Langvivo.

References to "personal information" or "personal data" mean information relating to an identified or identifiable person, or any equivalent concept under applicable law.

2. Who Is Responsible for Your Information

References in this Privacy Policy to Langvivo, we, us, or our mean the operator of the Langvivo Service.

Where applicable data protection laws use terms such as "controller", "business", or similar concepts, the operator of Langvivo determines the purposes and means of the processing described in this Privacy Policy unless another party is expressly identified as independently responsible for particular processing.

You can contact Langvivo regarding privacy matters at:

support@langvivo.com

3. Information We May Collect

The information we process depends on how you use Langvivo and which features are available or enabled.

We seek to collect only information reasonably relevant to operating, securing, maintaining, improving, developing, monetizing, or supporting the Service.

3.1 Account and Profile Information

When you create or maintain an account, we may process information such as:

• email address;

• username;

• display name;

• internal user or account identifiers;

• authentication information;

• account status;

• registration date;

• account settings;

• preferred interface language;

• learning-language preferences;

• communication preferences;

• subscription or account tier, where applicable;

• timestamps and other account-related metadata.

Passwords, where passwords are used, are intended to be stored using appropriate cryptographic hashing rather than in readable form.

We may also offer authentication through third-party providers. If you use such functionality, we may receive information made available by the provider, such as an account identifier, email address, name, or profile information, depending on your settings and the provider's policies.

3.2 Learning Information

To provide Langvivo's learning functionality, we may process information about your learning activity, including:

• languages you choose to learn;

• languages you indicate you know or use;

• lessons started, completed, abandoned, or reviewed;

• learning materials presented to you;

• words and vocabulary you have encountered;

• answers submitted during exercises;

• correct and incorrect answers;

• response history;

• exercise attempts;

• review history;

• excluded, saved, flagged, or reported content;

• learning preferences;

• progress history;

• vocabulary statistics;

• learning scores;

• review schedules;

• estimated knowledge or familiarity metrics;

• recommendations;

• other information generated from your interaction with learning features.

Langvivo may use this information to adapt lessons, choose exercises, schedule reviews, estimate learning progress, and otherwise personalize the learning experience.

These metrics are designed solely for providing and improving the Service. They are not intended to constitute official academic, professional, psychological, medical, employment, financial, or other formal evaluations.

3.3 Content and Communications

We may process information that you voluntarily submit through the Service, including:

• support requests;

• reports;

• error reports;

• feedback;

• feature requests;

• language requests;

• survey responses;

• messages;

• comments;

• community content, if community features are introduced;

• files or other content submitted through future features;

• communications with Langvivo.

If public or community features are introduced, information you intentionally make public may be visible to other users or the general public.

You should avoid submitting sensitive personal information unless it is necessary for the functionality or request involved.

3.4 Technical, Device, and Log Information

When you interact with the Service, we or our service providers may automatically process technical information such as:

• IP address;

• browser type and version;

• operating system;

• device type;

• device or browser settings;

• preferred language;

• screen or display information;

• referring and destination pages;

• requested URLs;

• dates and times of access;

• session identifiers;

• server logs;

• network information;

• application version;

• event timestamps;

• request metadata;

• performance information;

• crash information;

• diagnostic data;

• security-related events;

• suspected abuse or fraud signals.

This information may be used to operate, troubleshoot, secure, analyze, and improve the Service.

3.5 Approximate Location Information

We may infer general geographic information, such as country, region, or city-level area, from technical information including IP addresses.

Unless a specific feature clearly indicates otherwise, Langvivo does not intend to collect precise GPS location.

If a future feature requires precise location, additional notice or consent will be provided where required by applicable law.

3.6 Cookies and Similar Technologies

We and our service providers may use:

• cookies;

• local storage;

• session storage;

• browser identifiers;

• pixels;

• SDKs;

• tags;

• scripts;

• similar technologies.

These technologies may be used for different purposes.

Essential technologies

These may be used to:

• authenticate users;

• maintain sessions;

• secure accounts;

• prevent abuse;

• protect forms and requests;

• remember privacy choices;

• provide essential application functionality;

• maintain Service state.

Essential technologies may operate where reasonably necessary to provide or secure the Service.

Preference technologies

Where enabled, these may remember:

• language choices;

• interface settings;

• display preferences;

• other optional preferences.

Analytics and performance technologies

Where enabled, these may help us:

• understand how Langvivo is used;

• measure usage;

• identify popular or problematic features;

• diagnose errors;

• measure performance;

• improve usability;

• test changes;

• understand aggregate usage trends.

Advertising technologies

Where advertising is enabled, technologies may be used to:

• deliver advertisements;

• measure advertising performance;

• prevent advertising fraud;

• limit repeated advertisements;

• determine whether advertisements were viewed or interacted with;

• provide contextual advertising;

• provide personalized or targeted advertising where legally permitted.

Where applicable law requires consent before optional technologies are used, we will seek that consent.

Where available, you may review or change your choices through Cookie Settings or another consent-management interface.

3.7 Analytics Information

We may use first-party or third-party analytics and performance services.

Depending on the technology used and your choices, analytics providers may process information such as:

• IP address;

• browser and device information;

• approximate location;

• pages or features viewed;

• interaction events;

• session information;

• referring pages;

• pseudonymous identifiers;

• performance and diagnostic information.

Analytics may be based on consent, legitimate interests, or another lawful basis depending on the technology and applicable law.

3.8 Advertising Information

Langvivo may display advertising or work with advertising, measurement, and monetization providers.

Depending on the advertising system, applicable law, and your privacy choices, information processed for advertising may include:

• IP address;

• approximate location;

• device information;

• browser information;

• advertising or cookie identifiers;

• interactions with Langvivo;

• interactions with advertisements;

• advertising measurement information;

• contextual information about the page or feature being used.

Personalized, targeted, interest-based, or cross-context behavioral advertising will be used only where permitted by applicable law and subject to any required consent or opt-out rights.

3.9 Payments, Subscriptions, and Contributions

Langvivo may currently or in the future offer:

• paid features;

• premium plans;

• subscriptions;

• purchases;

• memberships;

• donations;

• voluntary financial support;

• other paid services.

Payments may be processed by independent payment or platform providers.

Where payment information is handled directly by such a provider, Langvivo generally does not need to receive full payment-card or banking credentials.

We may receive information such as:

• transaction identifier;

• payment status;

• date and time;

• amount;

• currency;

• purchased product or plan;

• subscription status;

• renewal information;

• payment-provider customer identifier;

• limited billing information;

• refund or dispute status.

If support is provided through third-party platforms such as membership, crowdfunding, or payment services, those platforms process information under their own privacy policies.

3.10 Cryptocurrency Transactions

Where Langvivo provides cryptocurrency addresses for voluntary support or other permitted transactions, blockchain transactions may be publicly recorded.

Public blockchains can expose information such as:

• wallet addresses;

• transaction identifiers;

• transaction amounts;

• transaction history;

• timestamps.

Blockchain information may be publicly available, permanently recorded, and technically impossible for Langvivo to delete or modify.

3.11 Information from Third Parties

We may receive information from third parties where permitted by law, including:

• authentication providers;

• payment providers;

• hosting providers;

• analytics providers;

• advertising providers;

• anti-fraud and security providers;

• email providers;

• support providers;

• consent-management providers;

• platform integrations;

• publicly available sources;

• other services you choose to connect with Langvivo.

The information received depends on the relevant integration and your choices.

3.12 Automated and AI-Assisted Systems

Langvivo may use automated systems, algorithms, machine-learning technologies, or AI-assisted tools to:

• select learning materials;

• personalize lessons;

• estimate learning progress;

• schedule reviews;

• generate recommendations;

• translate or process content;

• assist with support;

• detect spam, abuse, fraud, or security threats;

• classify or moderate content;

• analyze usage patterns;

• improve Langvivo;

• develop or evaluate Langvivo features, algorithms, or models.

Where permitted by law, information may be used in aggregated, de-identified, pseudonymized, or otherwise appropriately protected form to develop and improve Langvivo's systems.

Where a future AI-powered feature materially changes how personal information is processed, we may provide additional information or controls as required by applicable law.

Unless expressly disclosed otherwise, Langvivo does not intend to use automated systems to make decisions that produce legal effects or similarly significant effects concerning users.

4. Sensitive Personal Information

Langvivo is not designed to require users to provide sensitive personal information such as:

• racial or ethnic origin;

• political opinions;

• religious or philosophical beliefs;

• trade-union membership;

• genetic information;

• biometric information used for unique identification;

• medical or health information;

• sexual orientation or sex-life information;

• precise geolocation;

• government identification numbers.

Please do not provide such information unless it is specifically required by a feature or necessary to resolve a request.

If sensitive information is voluntarily included in communications or content submitted to Langvivo, we may process it only as reasonably necessary to handle the relevant communication, provide the requested functionality, protect the Service, comply with law, or for another legally permitted purpose.

If future functionality intentionally requires sensitive information, appropriate additional notice, safeguards, or consent will be provided where required.

5. How We Use Information

We may process personal information for the following purposes.

5.1 Providing the Service

Including to:

• create and manage accounts;

• authenticate users;

• provide lessons and exercises;

• save learning progress;

• maintain learning histories;

• synchronize information;

• calculate learning metrics;

• recommend learning content;

• personalize lessons;

• provide requested functionality;

• process subscriptions or other paid functionality.

5.2 Personalizing the Experience

Including to:

• adapt exercises;

• select vocabulary;

• adjust review schedules;

• remember preferences;

• recommend content;

• personalize functionality based on previous interactions.

5.3 Maintaining and Improving Langvivo

Including to:

• understand how the Service is used;

• measure performance;

• identify problems;

• troubleshoot;

• debug;

• test changes;

• conduct experiments;

• evaluate features;

• improve usability;

• improve algorithms;

• develop new functionality;

• conduct statistical analysis;

• conduct internal research and development.

5.4 Security, Fraud Prevention, and Abuse Prevention

Including to:

• secure accounts;

• detect unauthorized access;

• identify suspicious behavior;

• prevent spam and automated abuse;

• enforce rate limits;

• detect attacks;

• investigate security incidents;

• prevent fraud;

• protect infrastructure;

• enforce applicable Terms of Use and policies.

5.5 Communications

Including to:

• respond to questions;

• provide support;

• respond to privacy requests;

• send security notifications;

• provide account notices;

• communicate important Service changes;

• send administrative information.

Where legally permitted, we may also send:

• product updates;

• newsletters;

• announcements;

• promotional communications.

Where required, marketing communications will be sent only with appropriate consent, and you may unsubscribe from optional marketing communications.

5.6 Analytics and Measurement

Where enabled, we may process information to:

• measure usage;

• understand user behavior;

• measure feature performance;

• identify usage patterns;

• measure marketing or advertising effectiveness;

• improve the Service.

5.7 Advertising and Monetization

Where enabled, we may process information to:

• display advertising;

• select contextual advertisements;

• personalize advertising where permitted;

• measure advertising;

• detect advertising fraud;

• maintain advertising frequency limits;

• support monetization of the Service.

5.8 Payments and Commercial Operations

Where paid functionality is introduced, information may be processed to:

• process purchases;

• administer subscriptions;

• provide premium functionality;

• manage renewals;

• manage refunds;

• prevent payment fraud;

• maintain transaction records;

• provide customer support;

• satisfy accounting or legal obligations.

5.9 Legal and Compliance Purposes

We may process information where reasonably necessary to:

• comply with applicable law;

• respond to lawful legal process;

• respond to valid requests from authorities;

• establish, exercise, or defend legal claims;

• resolve disputes;

• enforce agreements;

• protect Langvivo's rights;

• protect users or third parties.

6. Legal Bases for Processing

Where applicable law requires a legal basis for processing, we may rely on one or more of the following.

Contract

Processing may be necessary to provide the Service you request, including:

• maintaining your account;

• providing lessons;

• saving learning progress;

• providing paid functionality;

• responding to requests necessary for the Service.

Legitimate Interests

Where permitted, we may rely on legitimate interests including:

• operating Langvivo;

• improving the Service;

• maintaining security;

• preventing fraud and abuse;

• debugging;

• understanding Service performance;

• developing functionality;

• protecting legal rights.

Where required, we balance those interests against the rights and interests of affected individuals.

Consent

We rely on consent where required for activities such as:

• optional cookies;

• certain analytics technologies;

• personalized or targeted advertising;

• certain marketing communications;

• sensitive information;

• other optional processing requiring consent.

Where processing is based on consent, you may withdraw that consent at any time, subject to applicable law.

Withdrawal does not affect processing that was lawful before withdrawal.

Legal Obligation

We may process information where necessary to comply with legal obligations.

Legal Claims and Protection of Rights

Where permitted by law, information may be processed where reasonably necessary to establish, exercise, or defend legal claims or protect the rights, safety, security, and property of Langvivo, users, or others.

Other Lawful Bases

Where another lawful basis is available under applicable local law, we may rely on that basis as appropriate.

7. When We Share Information

We do not disclose personal information except as described in this Privacy Policy, as separately disclosed to you, at your direction, or as permitted or required by law.

7.1 Service Providers

We may disclose information to providers that support Langvivo, including providers of:

• hosting;

• servers;

• cloud infrastructure;

• databases;

• storage;

• content delivery networks;

• domain and network services;

• email delivery;

• authentication;

• analytics;

• error monitoring;

• application monitoring;

• security;

• fraud prevention;

• customer support;

• communications;

• payment processing;

• subscription management;

• advertising;

• advertising measurement;

• consent management;

• AI or machine-learning services;

• development infrastructure;

• other technical or operational services.

Providers may change over time.

Using categories of providers in this Privacy Policy does not mean that every category is used at all times.

7.2 Independent Third-Party Services

Some third-party services may independently determine how they process personal information.

Examples may include:

• payment platforms;

• advertising networks;

• social platforms;

• external authentication providers;

• third-party websites;

• membership or donation platforms.

Their own privacy policies govern their independent processing.

7.3 Advertising and Analytics Partners

Where enabled and permitted by law, limited information may be disclosed to analytics, advertising, measurement, and related partners.

Where applicable law treats such disclosure as "sale", "sharing", targeted advertising, or another regulated activity, we provide applicable rights and controls.

7.4 Legal Requirements

We may disclose information where we reasonably believe disclosure is necessary or appropriate to:

• comply with applicable law;

• comply with a court order or valid legal process;

• respond to a legally valid government request;

• investigate suspected unlawful activity;

• protect users;

• prevent fraud or abuse;

• protect Langvivo's rights, property, or security;

• defend legal claims.

Where reasonably possible and lawful, we may reject, narrow, or challenge requests that appear invalid, excessive, or unlawful.

7.5 Business Reorganization

If Langvivo or its assets, rights, Service, or operations are involved in:

• a merger;

• acquisition;

• financing;

• restructuring;

• sale;

• transfer;

• bankruptcy;

• reorganization;

• similar transaction,

personal information may be transferred or disclosed as part of that transaction, subject to applicable law.

7.6 At Your Direction

We may disclose information where you request, authorize, or direct us to do so.

8. Sale, Sharing, and Targeted Advertising

Langvivo does not sell personal information for monetary consideration.

However, privacy laws in some jurisdictions define terms such as "sale" and "sharing" broadly.

For example, certain disclosures associated with:

• advertising;

• advertising measurement;

• cookies;

• tracking technologies;

• cross-context behavioral advertising;

• targeted advertising

may constitute "sale", "sharing", or "targeted advertising" under applicable law even where Langvivo receives no direct payment for personal information.

Where Langvivo engages in processing that is legally considered sale, sharing, or targeted advertising, we will provide any opt-out mechanism required by applicable law.

Where legally required and technically supported, we may also recognize applicable browser-based opt-out preference signals, including Global Privacy Control (GPC).

We do not knowingly sell or share children's personal information in violation of applicable law.

9. Aggregated, Anonymous, and De-identified Information

We may aggregate, anonymize, or de-identify information so that it no longer reasonably identifies an individual.

Such information may be used for purposes including:

• statistics;

• analytics;

• research;

• Service improvement;

• product development;

• algorithm development;

• model evaluation;

• business planning;

• publishing generalized statistics.

Where information qualifies as de-identified information under applicable law, we will handle it consistently with applicable legal requirements and will not attempt to re-identify it except where legally permitted, such as to evaluate the effectiveness of de-identification.

10. International Processing and Transfers

Langvivo is a global Internet service.

Personal information may therefore be processed or stored in countries other than the country where you live.

Service providers may also operate infrastructure or personnel in multiple countries.

Privacy laws in those countries may differ from the laws in your jurisdiction.

Where applicable law requires safeguards for an international transfer, we will use a legally recognized mechanism or other lawful basis as appropriate.

Depending on the circumstances, these safeguards may include:

• adequacy decisions;

• contractual protections;

• Standard Contractual Clauses;

• UK-approved transfer mechanisms;

• provider-specific transfer frameworks;

• other legally recognized mechanisms;

• applicable statutory exceptions.

We may also implement additional technical or organizational safeguards where reasonably appropriate or legally required.

11. Data Retention

We retain personal information for as long as reasonably necessary for the purposes described in this Privacy Policy.

Retention periods may differ depending on the nature of the information and the reason it is processed.

Factors we may consider include:

• whether your account remains active;

• whether information is necessary to provide functionality;

• the type and sensitivity of information;

• security requirements;

• fraud and abuse prevention needs;

• troubleshooting requirements;

• legal or regulatory obligations;

• accounting requirements;

• applicable limitation periods;

• dispute-resolution requirements;

• the need to establish, exercise, or defend legal claims.

Information associated with an account may be deleted, anonymized, aggregated, or otherwise removed from active systems following account deletion, subject to legitimate or legally required retention.

Certain information may remain temporarily in:

• backups;

• disaster-recovery systems;

• security logs;

• system archives,

until those systems are overwritten or the applicable retention cycle expires.

We may retain information for longer where reasonably necessary to:

• comply with law;

• protect security;

• prevent fraud or abuse;

• investigate incidents;

• resolve disputes;

• enforce agreements;

• protect legal rights.

Aggregated, anonymous, or properly de-identified information may be retained without the same limitations where it no longer constitutes personal information under applicable law.

12. Account Deletion

Where account deletion functionality is available, you may request deletion through your account or by contacting:

support@langvivo.com

Deleting an account does not necessarily result in immediate deletion of every record.

Certain information may be retained where necessary or permitted for:

• security;

• fraud prevention;

• legal compliance;

• transaction records;

• disputes;

• backups;

• enforcement of agreements;

• protection of legal rights.

Where feasible and appropriate, information no longer required in identifiable form may instead be anonymized or de-identified.

13. Security

We use technical, administrative, and organizational measures designed to protect personal information from risks such as:

• unauthorized access;

• unauthorized disclosure;

• alteration;

• misuse;

• loss;

• destruction.

Security measures may include, where appropriate:

• access controls;

• authentication protections;

• encryption;

• hashing;

• network protections;

• monitoring;

• logging;

• backups;

• software updates;

• security testing;

• limiting access to information.

No Internet service, database, storage system, transmission method, or security measure can guarantee absolute security.

Accordingly, we cannot guarantee that personal information will never be accessed, disclosed, altered, lost, or destroyed through circumstances beyond reasonable safeguards.

If a personal-data breach occurs, we will take measures reasonably appropriate to the circumstances and provide notifications where required by applicable law.

You are responsible for maintaining the confidentiality and security of your account credentials.

If you believe your account or personal information has been compromised, contact:

support@langvivo.com

14. Your Privacy Rights

Depending on your location and applicable law, you may have rights concerning your personal information.

These may include the right to:

• obtain information about processing;

• confirm whether we process your information;

• access your information;

• receive copies of certain information;

• correct inaccurate information;

• complete incomplete information;

• request deletion;

• request restriction of processing;

• object to certain processing;

• withdraw consent;

• receive certain information in portable form;

• opt out of direct marketing;

• opt out of targeted advertising;

• opt out of certain sales or sharing;

• limit certain uses of sensitive information;

• object to or request review of certain automated decisions;

• appeal certain decisions concerning privacy requests;

• lodge a complaint with an appropriate privacy regulator;

• exercise applicable rights without unlawful discrimination or retaliation.

Privacy rights are subject to applicable law and are not absolute.

We may deny, restrict, or charge for a request where permitted by law, including where a request is:

• legally exempt;

• impossible to verify;

• manifestly unfounded;

• excessive;

• repetitive;

• inconsistent with another legal obligation;

• reasonably necessary to protect the rights of another person.

Exercising your rights

To exercise a privacy right, contact:

support@langvivo.com

Please provide enough information for us to identify the request and the relevant account or information.

We may request additional information where reasonably necessary to:

• verify your identity;

• prevent fraudulent requests;

• verify the authority of a representative;

• locate relevant information.

We will not intentionally request unnecessary sensitive identification documents.

We will respond within the period required by applicable law.

Authorized representatives may submit requests where applicable law permits them to do so, subject to appropriate verification.

15. European Economic Area, United Kingdom, and Switzerland

If European or UK data protection law applies to you, you may have rights including:

• access;

• rectification;

• erasure;

• restriction;

• portability;

• objection;

• withdrawal of consent;

• objection to direct marketing;

• rights relating to certain automated decision-making;

• the right to lodge a complaint with a competent supervisory authority.

Where processing is based on legitimate interests, you may have the right to object based on your particular circumstances.

Where information is processed for direct marketing, you may object to such processing.

Where processing relies on consent, you may withdraw consent without affecting processing that was lawful before withdrawal.

Automated processing

Langvivo may automatically:

• calculate learning metrics;

• evaluate exercise results;

• select learning material;

• personalize lessons;

• prioritize vocabulary;

• schedule reviews;

• make recommendations.

These activities are intended to personalize the Service and are not intended to produce legal effects or similarly significant effects concerning you.

Complaints

You may have the right to complain to the data protection authority responsible for:

• the place where you live;

• the place where you work;

• the place where you believe an infringement occurred.

You may also contact Langvivo first at:

support@langvivo.com

so that we have an opportunity to address the issue.

16. United States Privacy Notice

Residents of certain U.S. states may have additional privacy rights.

The availability of particular rights depends on applicable state law and whether that law applies to Langvivo.

Potential rights may include:

• access;

• confirmation of processing;

• correction;

• deletion;

• portability;

• opt-out of sale;

• opt-out of sharing;

• opt-out of targeted advertising;

• opt-out of certain profiling;

• limitation of certain sensitive-data processing;

• appeal;

• non-discrimination.

Categories of personal information

Depending on which Langvivo features you use and which features are enabled, the categories of information described in this Privacy Policy may include:

Identifiers

• email address;

• account identifiers;

• IP address;

• online identifiers.

Internet or electronic network activity

• Service interactions;

• pages and features used;

• session information;

• browser information;

• device information;

• logs.

Commercial information

• subscription information;

• purchases;

• transaction information;

• contribution information.

Approximate geolocation

• country, region, or general location inferred from IP address.

User-provided content

• support communications;

• feedback;

• reports;

• other submitted content.

Learning and activity information

• learning history;

• exercise results;

• language preferences;

• learning progress.

Inferences

• learning metrics;

• familiarity estimates;

• recommendations;

• classifications derived from usage.

Potential sensitive personal information

• account authentication credentials or other information treated as sensitive by applicable law.

We do not intentionally collect sensitive information beyond what is reasonably necessary for Service functionality unless otherwise disclosed.

Sources

Information may be obtained from:

• you;

• your device or browser;

• your interaction with Langvivo;

• service providers;

• authentication providers;

• payment providers;

• analytics providers;

• advertising providers;

• other integrations you choose to use.

Purposes

These categories may be processed for the purposes described in Section 5, including:

• providing the Service;

• personalization;

• security;

• support;

• analytics;

• improvement;

• advertising;

• payment processing;

• compliance with law.

Recipients

Information may be disclosed to categories of recipients described in Section 7.

California

Where the California Consumer Privacy Act, as amended ("CCPA"), applies, California consumers may have rights including:

• the right to know;

• the right to access;

• the right to correct;

• the right to delete;

• the right to opt out of sale or sharing;

• the right to limit certain uses of sensitive personal information;

• the right not to receive unlawful discriminatory treatment for exercising privacy rights.

Langvivo does not sell personal information for monetary consideration.

If Langvivo's use of advertising or similar technology constitutes "sharing" or "sale" under California law, applicable opt-out mechanisms will be provided.

Where required by applicable law, qualifying opt-out preference signals such as Global Privacy Control (GPC) will be honored.

Appeals

Where state law provides a right to appeal a privacy-request decision, you may submit an appeal by contacting:

support@langvivo.com

and clearly identifying the request as an appeal.

17. Brazil

Where Brazil's Lei Geral de Proteção de Dados Pessoais (LGPD) applies, you may have rights including, as applicable:

• confirmation of processing;

• access;

• correction;

• anonymization;

• blocking;

• deletion;

• portability;

• information regarding sharing;

• information regarding consent;

• withdrawal of consent;

• objection;

• review of certain automated processing;

• rights before the competent data protection authority.

Requests may be submitted to:

support@langvivo.com

18. Canada

Where Canadian privacy law applies, we seek to process personal information in accordance with applicable requirements concerning:

• accountability;

• appropriate purposes;

• consent where required;

• limiting collection;

• limiting use and disclosure;

• retention;

• accuracy;

• safeguards;

• transparency;

• access;

• correction;

• handling complaints.

To request access, correction, or raise a privacy concern, contact:

support@langvivo.com

19. Australia and New Zealand

Where Australian or New Zealand privacy law applies, we seek to manage personal information openly and transparently and in accordance with applicable requirements concerning:

• collection;

• notice;

• use;

• disclosure;

• security;

• overseas disclosure;

• access;

• correction;

• privacy complaints.

Where applicable, you may request access to or correction of personal information or submit a privacy complaint by contacting:

support@langvivo.com

20. Other Jurisdictions

Users in other jurisdictions may have privacy rights beyond those specifically described above.

Where applicable local law grants additional mandatory rights, this Privacy Policy is not intended to limit those rights.

You may contact:

support@langvivo.com

to exercise applicable privacy rights or raise a privacy concern.

21. Children

Langvivo is a general-audience language-learning service and is not specifically directed to children.

We do not knowingly collect or process personal information from children in circumstances where doing so would violate applicable child-privacy laws.

We do not routinely verify the age of every user. However, we may take reasonable and proportionate measures where necessary to comply with applicable law. If we become aware that parental consent, authorization, age-related safeguards, or other measures are legally required for particular processing, we may restrict or discontinue that processing unless and until the applicable requirements have been satisfied.

If we become aware that personal information has been collected or processed from a child in violation of applicable law, we may delete or restrict that information, restrict or terminate the relevant account, or take other appropriate measures as permitted or required by law.

If you believe that a child has provided personal information to Langvivo in violation of applicable law, please contact us at:

support@langvivo.com

We will review the matter and take appropriate action where required by applicable law.

22. Third-Party Websites and Services

Langvivo may contain links to or integrations with third-party services, including, depending on available functionality:

• payment services;

• authentication services;

• social platforms;

• community platforms;

• advertising services;

• analytics services;

• support services;

• membership or donation platforms;

• external websites.

A link or integration does not mean Langvivo controls the third party.

Third parties may independently collect and process personal information under their own:

• privacy policies;

• terms;

• cookie policies;

• other rules.

You should review their policies before providing information to them.

23. Do Not Track and Privacy Signals

Some browsers offer "Do Not Track" or similar signals.

Because there is not necessarily a single universally applicable standard governing all such signals, Langvivo may not respond to every "Do Not Track" signal.

Where applicable law requires recognition of a legally recognized opt-out preference signal, such as Global Privacy Control, we will take reasonable steps to process that signal as required.

24. Changes to the Service

Langvivo is an evolving project.

The Service may introduce, modify, or discontinue:

• features;

• technologies;

• integrations;

• analytics;

• advertising;

• monetization;

• subscriptions;

• payment systems;

• communication systems;

• automated systems;

• AI-assisted features;

• community functionality;

• service providers;

• infrastructure.

Where those changes fall within the categories of information, purposes, and processing described in this Privacy Policy, we may not issue a separate notice for every individual technical or provider change unless applicable law requires one.

Where a change materially alters the nature or purpose of personal-information processing in a manner not reasonably described by this Privacy Policy, we will update the Privacy Policy or provide additional notice as required by applicable law.

Where consent is legally required for new processing, an update to this Privacy Policy alone will not replace that consent.

25. Changes to This Privacy Policy

We may update this Privacy Policy from time to time, including to reflect:

• changes to Langvivo;

• new or modified features;

• new technologies;

• changes in providers;

• changes in data practices;

• changes to advertising or monetization;

• legal or regulatory developments;

• security requirements;

• organizational or operational changes.

The date at the top indicates when this Privacy Policy was most recently updated.

For minor, non-material changes, updating the published version and its "Last updated" date may be sufficient.

For material changes, we may provide additional notice through:

• the Service;

• account notifications;

• email;

• another reasonable method.

Where applicable law requires consent to a new processing activity, we will request that consent separately.

Your continued use of Langvivo does not constitute consent where applicable law requires explicit or separate consent.

26. Contact and Privacy Requests

For privacy questions, requests, complaints, or concerns regarding the processing of personal information, contact:

support@langvivo.com

Please provide enough information for us to understand and process your request.

Do not send passports, national identification documents, payment-card information, passwords, or other highly sensitive information unless Langvivo specifically requests appropriate verification information and provides a suitable method for submitting it.

We may request reasonable additional information to verify:

• your identity;

• your account;

• the scope of your request;

• the authority of a representative.

We will seek to respond in accordance with the requirements and deadlines of applicable law.

If applicable law gives you the right to complain to a privacy or data protection regulator, nothing in this Privacy Policy prevents you from exercising that right.