Privacy Policy

Last Updated: February 5, 2026

buildinpublicjp ("we", "us", or "our") respects your privacy and is committed to protecting personal information when you use MuscleMap (the "App"). This Privacy Policy explains how information is handled within the App.

1. Information We Collect

The App stores the following information locally on your device:

• Workout records (exercises, sets, weight, reps)
• Muscle stimulation and recovery data
• App settings (language, training goals, etc.)

This data is stored only on your device and is never transmitted to external servers.

2. Subscription Information

The App uses RevenueCat's service to manage subscriptions. Purchase-related information is processed by Apple and RevenueCat. We do not directly collect credit card information or other payment details.

RevenueCat Privacy Policy: https://www.revenuecat.com/privacy

3. Third-Party Sharing

We do not sell, trade, or otherwise transfer your personal information to third parties, except as required by law.

4. Data Storage and Deletion

All workout data is stored only on your device. Deleting the App will remove all local data.

5. Widgets

The App's widget feature uses the device's App Group shared storage to display data. No data is sent externally.

6. Children's Privacy

The App is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13.

7. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page.

8. Contact Us

For privacy-related inquiries, please contact us at:

buildinpublicjp
GitHub: https://github.com/buildinpublicjp-debug/MuscleMap