Privacy Policy

Effective Date: August 2, 2026

Thank you for using Sleep Calculator. Your privacy is important to us. This Privacy Policy explains how our application collects, uses, and protects your information when you use the app.

1. Information We Collect

Sleep Calculator is designed to respect your privacy.

Depending on the features you use, the app may collect the following information:

• Sleep schedules and sleep history that you choose to save.
• App settings and preferences stored on your device.
• Crash logs and diagnostic information (if enabled).
• Anonymous usage statistics to improve app performance.

We do not collect personally identifiable information such as your name, address, or phone number unless you voluntarily provide it.

2. How We Use Your Information

Your information may be used to:

• Provide sleep calculation features.
• Save your sleep history.
• Improve app performance.
• Fix bugs and technical issues.
• Provide customer support.

3. Data Storage

Most sleep records and settings are stored locally on your device. If cloud backup or synchronization features are added in future versions, this Privacy Policy will be updated accordingly.

4. Advertising

If the application displays advertisements, third-party advertising providers such as Google AdMob may collect anonymous information in accordance with their own privacy policies.

These providers may use advertising identifiers to deliver relevant ads.

5. Analytics

The app may use analytics services to understand how users interact with the application. These analytics only collect anonymous information and do not identify individual users.

6. Permissions

Depending on the version of the application, Sleep Calculator may request certain permissions including:

• Notification permission (for sleep reminders and bedtime notifications).
• Alarm scheduling permission.
• Vibration permission for alarms.

These permissions are only used to provide app functionality.

7. Third-Party Services

The application may use trusted third-party services such as:

• Google Play Services
• Google AdMob
• Firebase Analytics (if enabled)
• Firebase Crashlytics (if enabled)

These services have their own privacy policies governing how they handle user data.

8. Children's Privacy

Sleep Calculator is not intended for children under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided personal information, please contact us so we can remove it.

9. Data Security

We take reasonable measures to protect your information against unauthorized access, alteration, disclosure, or destruction. However, no method of electronic storage or internet transmission is completely secure.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with the updated effective date.

11. Your Rights

Depending on your country or region, you may have rights regarding your data, including requesting deletion of information stored by the app where applicable.

12. Contact Us

If you have any questions regarding this Privacy Policy, please contact us:

Email: saffee.5217@gmail.com