Privacy Policy

1. Introduction

Chhetri Vision (“we,” “us,” or “our”) provides Learn Kanji: JLPT N5–N1 as a Kanji learning application.

The app helps users study JLPT Kanji, view readings and meanings, track learning progress, save favorites and notes, create custom Kanji lists, play learning games, take quizzes, and access related learning content.

By using the app, you acknowledge the practices described in this Privacy Policy.

2. Information You Provide

The app does not currently require registration, login, or creation of an online user account.

We do not ask you to provide your name, address, telephone number, payment information, or account password to use the main learning features.

You may voluntarily provide information when contacting us by email. Information included in a support request may include your email address, message, screenshots, device details, or other information you choose to send.

3. Information Stored Locally on Your Device

The app stores certain learning information locally on your device so that your progress and preferences remain available between sessions.

This local information may include:

• Kanji marked as learning or learned.
• Favorite Kanji.
• Personal Kanji notes.
• Custom Kanji lists and items added to those lists.
• Completed Kanji games and learning progress.
• Quiz progress stored by in-app web content.
• Welcome-screen completion and application preferences.
• Cached Kanji information, SVG files, game data, and other learning content.

This information is primarily stored on your device and is not connected to an online account.

4. Information Processed When You Use Online Features

Some app features require an internet connection. These may include:

• Downloading or updating Kanji details and learning content.
• Loading stroke-order files, images, SVG files, or related resources.
• Using online quizzes, practice tools, or WebView pages.
• Checking for app updates.
• Downloading available learning documents.
• Displaying advertisements.

When the app communicates with our website, cloud storage, hosting providers, or content servers, technical information may be processed automatically. This may include:

• Internet Protocol address.
• Date and time of the request.
• Requested URL, file, Kanji, or online feature.
• Browser, WebView, application, operating-system, and device information.
• Network, performance, security, and error information.

We use this information to provide requested content, maintain service reliability, prevent unauthorized access, investigate errors, protect our systems, and improve app performance.

5. Advertising and Google AdMob

The app uses Google AdMob, provided by Google, to display banner and interstitial advertisements.

Google and its advertising partners may automatically collect or process information such as:

• Advertising identifiers and other device identifiers.
• Internet Protocol address.
• Approximate location inferred from an Internet Protocol address.
• Device type, operating system, language, and application information.
• Advertisements displayed, viewed, selected, or interacted with.
• Application interactions and advertising performance information.
• Crash, diagnostic, fraud-prevention, and security information.

This information may be used to deliver advertisements, measure advertising performance, limit repeated advertisements, detect fraud and abuse, provide non-personalized or personalized advertising where permitted, and improve advertising services.

Your advertising experience may depend on your region, device settings, age-related settings, consent choices, and Google advertising preferences.

6. Third-Party Services

The app may use or communicate with third-party services needed to operate its features.

These services may include:

• Google AdMob and Google Mobile Ads.
• Google Play services and the Google Play Store.
• Website hosting and cloud infrastructure providers.
• Content-delivery and file-storage services.
• Online WebView pages used for quizzes, practice, or related learning tools.

Third-party providers may process information under their own privacy policies and terms. Their information practices are controlled by those providers, not solely by us.

7. How We Use Information

Information processed through the app may be used to:

• Provide Kanji learning content and app functionality.
• Remember local learning progress and preferences.
• Load requested online content and learning tools.
• Display and measure advertisements.
• Maintain, secure, troubleshoot, and improve the app.
• Detect misuse, fraud, unauthorized access, or technical problems.
• Respond to support requests.
• Meet legal, regulatory, or policy obligations.

8. How Information May Be Shared

We do not sell your personal information.

Information may be processed or shared in the following circumstances:

• Service providers: With providers that supply hosting, content delivery, advertising, security, technical infrastructure, or related services.
• Advertising providers: With Google and participating advertising partners through Google AdMob.
• Legal requirements: When reasonably necessary to comply with applicable law, legal process, regulatory requirements, or lawful government requests.
• Security: When necessary to investigate fraud, abuse, security incidents, or threats to users, the app, or other parties.
• Business changes: If the app or its related assets are transferred, merged, reorganized, or sold, information may be transferred subject to applicable law.

9. Data Retention

Information stored locally

Learning progress, favorites, notes, custom lists, game history, preferences, and cached content generally remain on your device until you remove them, clear the application data, or uninstall the app.

Server and security logs

Operational server logs are retained only for as long as reasonably necessary for service operation, troubleshooting, fraud prevention, security, and legal obligations. We aim to remove or anonymize ordinary operational logs within 90 days unless a longer period is reasonably required for security, an active investigation, dispute resolution, or legal compliance.

Support communications

Support emails may be retained for as long as reasonably necessary to respond to your request, maintain support records, prevent abuse, or comply with legal obligations.

Third-party services

Google and other service providers retain information according to their own privacy policies and retention practices.

10. Data Security

We use reasonable administrative and technical measures intended to protect information processed through the app.

These measures may include encrypted HTTPS connections, access controls, application-only access tokens, restricted server access, software updates, monitoring, and security protections provided by our hosting and service providers.

However, no application, transmission method, storage system, or online service can be guaranteed to be completely secure.

11. Children’s Privacy

The app does not require users to create an account or provide a name, email address, telephone number, or other direct contact information to use its main learning features.

We do not knowingly request or collect personal information directly from children through an account-registration system.

If a parent or guardian believes that a child has provided personal information to us through a support request or another communication channel, they may contact us and request its deletion.

Advertising and third-party services may apply age-related, regional, device, account, or consent settings according to their own policies.

12. International Data Processing

Online services used by the app may process information in countries other than the country where you live.

These countries may have different data-protection laws. When information is processed internationally, we and our service providers use protections required by applicable law and provider agreements.

13. Your Choices and Rights

Depending on your location, you may have rights relating to personal information, including the right to request access, correction, deletion, restriction, or information about how it is processed.

You can manage information in the following ways:

• Remove favorites, notes, learning statuses, or custom-list items using available app controls.
• Clear the app’s storage through your Android device settings.
• Uninstall the app to remove locally stored application information.
• Manage or delete your Android advertising identifier through your device privacy settings.
• Manage Google advertising preferences through Google My Ad Center.
• Contact us regarding information you provided directly through a support request.

14. Data Deletion Requests

The app does not currently create an online user account, so there is no account record to delete.

Most personal learning information is stored locally and can be removed by deleting it inside the app, clearing the app’s storage, or uninstalling the app.

To request deletion of information that you voluntarily sent to us or information that may be reasonably identifiable in our systems, contact:

15. External Links and Web Content

The app may display web pages, learning tools, downloads, or links to external resources.

When you open third-party content or leave our controlled services, the privacy practices of the external website or service will apply. We encourage you to review the privacy policy of any external service you use.

16. Changes to This Privacy Policy

We may update this Privacy Policy when app features, service providers, legal requirements, or information practices change.

The latest version will be published on this page, and the “Last updated” date will be revised. Material changes may also be communicated through the app or its store listing when appropriate.

17. Contact Us

For privacy questions, support requests, or data-related requests, contact: