BJJ 技図鑑

Privacy Policy

Last updated: March 31, 2026

Overview

BJJ Techniques ("the App") is a Brazilian Jiu-Jitsu technique encyclopedia application. We are committed to protecting your privacy.

Data Collection

The App does not collect, store, or transmit any personal data. All user preferences (favorites, language settings) are stored locally on your device only.

YouTube Content

The App displays YouTube video search results through the YouTube Data API v3. When you view technique videos:

• Search queries are sent to our server to fetch relevant YouTube videos
• No personal information is included in these requests
• YouTube's own privacy policy applies to video playback

YouTube API Data Retention

Cached YouTube API data (video titles, thumbnail URLs, and channel names) is stored on our server and automatically refreshed or deleted within 30 days. No YouTube user data is collected or stored.

Revoking Access

You can revoke the App's access to your data via the Google security settings page.

Third-Party Services

• YouTube Data API v3: Used to search and display technique tutorial videos. Subject to Google's Privacy Policy and YouTube Terms of Service.

Data Storage

• All favorites and preferences are stored locally on your device
• No data is synced to external servers
• No analytics or tracking tools are used

Children's Privacy

The App does not knowingly collect personal information from children under 13 years of age.

Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any changes by posting the new policy in the App.

Contact

If you have any questions about this privacy policy, please contact us via our support page.