Toshiki Tech

YomiPlay Privacy Policy

Last Updated: June 20, 2026

1. Introduction

YomiPlay is an AI-powered language learning application. We are committed to protecting your personal information and privacy. This Privacy Policy explains what data we collect, why we collect it, and how we protect your information. It covers both the iOS app and our website (Web).

2. Information Processing

When you use YomiPlay, we process audio/video files to generate synchronized subtitles. Transcription is primarily performed using on-device speech recognition models—your media files are NOT uploaded to our servers for AI processing.

3. App Permissions

To provide its core functions, YomiPlay may request the following permissions:

  • Microphone: Required if you use features requiring voice input or recording (e.g., shadowing).
  • Storage/Media Library: Required to import local audio and video files for study.
  • Network: Required for fetching metadata, RSS feeds, and downloading language packs.

4. Network Import & Metadata

When importing media via external URLs or searching for podcasts, the app makes network requests to fetch resources. We do not track what specific content you are studying; requests are primarily for fetching metadata from public APIs (such as iTunes Search API).

5. Usage Statistics & Anonymized Data

We may collect anonymous usage data (e.g., device model, system version, app version) to help us diagnose issues and optimize the user experience. No personally identifiable information is collected during this process.

6. Subscriptions & In-App Purchases

On iOS, all financial transactions are handled securely by Apple StoreKit. On the Web, subscription payments are securely processed by Stripe. In both cases, we do not collect or store your payment card details or financial information.

7. Your Rights

You have the right to access, correct, or delete your data stored within the app. Since most of your study data is kept on-device, you can manage it directly through the app settings or by deleting the application.

8. Information We Collect

When you create an account or use the Web service, we may collect the following information:

  • Account information: email address, display name, and OAuth sign-in identifiers (when you sign in with a third-party provider).
  • Usage data: features used, study activity, and interactions with the service, used to provide and improve the product.
  • Log information: IP address, device and browser type, and access times, recorded automatically when you use our service.

9. Third-Party Services

We rely on the following trusted third-party services to operate YomiPlay. Each processes data only for its stated purpose:

  • Stripe: payment processing for Web subscriptions.
  • Firebase: authentication, push notifications, and analytics.
  • Google Analytics: website usage analytics.
  • OpenAI API: used for certain AI features to process input text and related data. Only the data necessary for the feature is sent, and no payment information is included.

10. Cookies

Our website uses essential cookies that are required for the site to function, as well as analytics cookies that help us understand how the site is used. You can manage or disable cookies through your browser settings.

11. Data Deletion

You can delete your local data within the app at any time through the app settings or by deleting the application. To request deletion of your account and any server-side data, please email us at toshiki.tech.jp@gmail.com, and we will process your request.

12. International User Rights (GDPR, etc.)

Depending on your location, you may have the right to access, correct, delete, port, or object to the processing of your personal data. We aim to comply with the basic requirements of Japan’s Act on the Protection of Personal Information (APPI) and the EU General Data Protection Regulation (GDPR). To exercise these rights, please contact us using the details below.

13. Data Protection

We take reasonable technical and organizational measures to protect your data against unauthorized access, alteration, disclosure, or destruction. While no method of transmission or storage is completely secure, we work to safeguard your information.

14. Contact Us

If you have any questions regarding this Privacy Policy, please visit our Support Page (https://toshiki.tech/en/yomiplay/support) or contact us via email: toshiki.tech.jp@gmail.com