Sleep Prep – Privacy Policy

Last updated: March 22, 2026

This Privacy Policy describes how Sleep Prep ("we", "our", or "us") collects, uses, and shares information about you when you use our mobile application Sleep Prep: Bedtime Routine ("the App").

1. Information We Collect

• Usage Data: Your bedtime routine preferences and completion history, stored locally on your device.
• Device Information: Device type and OS version, used for analytics and error reporting via Sentry.
• Analytics Data: Anonymous usage statistics collected via Firebase Analytics to improve the App.
• Advertising Identifiers: Used by Google AdMob to serve relevant advertisements (with your permission via App Tracking Transparency).

2. How We Use Your Information

• To operate and improve the App and your bedtime routine experience.
• To display advertisements via Google AdMob.
• To diagnose and fix technical issues via Sentry crash reporting.
• To analyze usage patterns and improve features via Firebase Analytics.

3. Data Sharing

We do not sell your personal information. We share data only with the following third-party service providers:

• Google AdMob: For advertising. See Google's Privacy Policy.
• Firebase (Google): For analytics. See Firebase Privacy.
• Sentry: For crash reporting. See Sentry's Privacy Policy.

4. Data Retention

Routine data is stored locally on your device and can be deleted at any time by uninstalling the App. Analytics and crash data are retained according to our service providers' policies.

5. Your Rights

You may opt out of personalized advertising at any time through your device's privacy settings or by responding to the App Tracking Transparency prompt.

6. Children's Privacy

The App is not directed to children under 13. 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. We will notify you of any changes by updating the "Last updated" date above.

8. Contact Us

If you have questions about this Privacy Policy, please contact us at: knskmt421@yahoo.co.jp