Privacy Policy

Last updated: March 2026

This Privacy Policy describes how Sierra Chica Software SL (“we”, “our”, or “us”) collects, uses, and protects your information when you use MangaMentor.

Please also review our Terms of Use, which govern the use of the app.

1. Information We Collect

a) Account Information

• Email address
• User ID

Managed via PlayFab.

b) Usage Data

• App interactions
• Features used
• Session duration
• Device information

Collected via Amplitude.

c) Purchase Information

Processed via Google Play Billing / Apple App Store and RevenueCat. We do not store payment data.

2. How We Use Information

• Provide and maintain the app
• Manage accounts
• Improve the app
• Analyze usage
• Process purchases

3. Third-Party Services

• PlayFab (Microsoft)
• Amplitude
• RevenueCat
• Google Play Services
• Apple App Store

4. Legal Basis (GDPR)

• Consent
• Service provision
• Legitimate interest

5. Data Retention

We retain data only as long as necessary. You can request deletion anytime.

6. Your Rights

• Access
• Correction
• Deletion
• Restriction or objection

Contact: hello@sierrachica.com

7. Children’s Privacy

Not directed to children under 13. We do not knowingly collect such data.

8. Security

We take reasonable measures, but no system is 100% secure.

9. Changes

We may update this policy. Changes will be posted here.

10. Contact

hello@sierrachica.com