Privacy Policy
Last updated: April 6, 2026
1 Introduction
BnB Studio ("we", "us", or "our") built Kanji Masuta as a Japanese kanji learning application. This Privacy Policy explains how we handle information when you use our App. We are committed to protecting your privacy and being transparent about our practices.
2 Data We Do NOT Collect
Kanji Masuta is designed with a privacy-first approach. We do not collect, store, or transmit any personal information to external servers. This includes: your name, email address, or contact information; your location data; your learning progress, quiz results, or study history; your device identifiers or advertising IDs; any usage analytics or behavioral data.
3 Local Data Storage
All your learning data, including kanji progress, FSRS review schedules, quiz history, and user preferences (language, theme, notifications), is stored exclusively on your device using a local SQLite database. This data never leaves your device. If you uninstall the App, all locally stored data will be permanently deleted.
4 Third-Party Services
The App may integrate with the following third-party services: Google Play Store or Apple App Store for app distribution and optional in-app purchases. These platforms may collect data according to their own privacy policies. We encourage you to review the privacy policies of Google and Apple for more details.
5 In-App Purchases
If you make optional in-app purchases, all payment processing is handled entirely by the platform store (Google Play or Apple App Store). We do not receive, process, or store any payment information, credit card numbers, or billing details.
6 Children's Privacy
Kanji Masuta is an educational application suitable for users of all ages. Since we do not collect any personal data, there are no special concerns regarding children's privacy. The App complies with applicable children's privacy regulations by design.
7 Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be reflected within the App. Your continued use of the App after changes are posted constitutes your acceptance of the updated policy. We recommend reviewing this policy periodically.
8 Contact Us
If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at the email address provided below. We will respond to your inquiry as promptly as possible.
We typically respond within 48 hours