Privacy Policy

 Effective Date: May 26, 2025

Thank you for choosing Sleep Calculator. We are committed to protecting your privacy and ensuring transparency about how we handle your information. This Privacy Policy explains how Sleep Calculator ("we," "us," or "our") collects, uses, and safeguards your information when you use our mobile application ("App").
Information We Collect
We collect minimal data to provide the App’s functionality:

Data Stored Locally on Your Device:

  • Sleep cycle preferences and settings
  • Saved sleep schedules and history
  • App preferences (e.g., dark mode, notification settings)
This data is stored locally on your device and is not transmitted to our servers or shared with third parties, except as described below.

Data Collected by Third-Party Services (AdMob):

The App uses AdMob by Google to display advertisements. AdMob may automatically collect certain data, including:
  • Device information (e.g., device type, operating system)
  • Advertising ID
  • IP address
  • Usage data (e.g., interactions with ads)
This data is used by AdMob to deliver personalized or non-personalized ads, depending on your preferences. For details on how AdMob collects, uses, and shares data, please refer to Google’s Privacy Policy: https://policies.google.com/privacy and AdMob’s Data Disclosure: https://developers.google.com/admob/android/privacy/play-data-disclosure.

You can opt out of personalized ads through your device’s advertising settings (e.g., opting out of interest-based ads on Android).

Permissions We Request:

The App requests the following permissions to function:

  • Notification Permission: To send bedtime reminders.
  • Alarm Permission: To set alarms for your sleep schedule.
  • Boot Completed Permission: To restore alarms after a device restart.
  • Internet Permission: Required for AdMob to display ads.
These permissions do not involve collecting or transmitting personal data to our servers, except for AdMob’s ad-related data collection as described above.
How We Use Your Information
We use the collected data to:

  • Calculate and provide sleep cycle recommendations.
  • Save your sleep schedules and history locally on your device.
  • Deliver bedtime notifications at your requested times.
  • Restore alarms after a device restart.
  • Display advertisements via AdMob.
Data Sharing
We do not sell, rent, or share your personal information with third parties, except for data collected by AdMob for advertising purposes, as described above. AdMob’s data practices are governed by Google’s Privacy Policy.
Data Security
Data stored locally on your device is protected by your device’s security features. We recommend:

  • Using a screen lock or other device security measures.
  • Keeping your device’s operating system updated.
  • Regularly backing up your device data.
We do not store or process your data on external servers, except for ad-related data handled by AdMob.
Children’s Privacy
The App is suitable for all ages. We do not knowingly collect personal information from children under 13. If you believe a child under 13 has provided personal information, please contact us at sevenstar.neeraj@gmail.com, and we will take appropriate steps to address the issue. AdMob is configured to comply with the Children’s Online Privacy Protection Act (COPPA) by serving non-personalized ads to users under 13 where applicable.
Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Effective Date." We encourage you to review this policy periodically.
Contact Us
If you have questions about this Privacy Policy, please contact us at:

Email: sevenstar.neeraj@gmail.com