# Privacy Policy for Chessis Vision: Coordinate Trainer
**Last Updated:** January 1, 2026
## Introduction
This Privacy Policy describes how Chessis Vision: Coordinate Trainer ("we", "our", or "the App") handles information when you use our mobile application.
## Information We Collect
**We do not collect any personal information.**
Chessis Vision: Coordinate Trainer is designed with your privacy in mind. The App:
- Does NOT collect personal data
- Does NOT require user registration or accounts
- Does NOT track your location
- Does NOT access your contacts, camera, or microphone
- Does NOT use analytics or tracking services
- Does NOT display advertisements
- Does NOT transmit any data over the internet
## Data Stored Locally
The App stores the following data locally on your device only:
- **Game Preferences**: Your settings such as board theme, notation display preferences, sound/haptic feedback settings, and theme mode (light/dark/system)
- **High Scores**: Your best scores for each game mode (Zen, Rush, Survival)
This data is stored using Android's DataStore and remains entirely on your device. It is never transmitted to any server or third party.
## Data Sharing
We do not share any data with third parties because we do not collect any data.
## Children's Privacy
The App does not collect personal information from anyone, including children under the age of 13. The App is safe for users of all ages.
## Data Security
Since all data is stored locally on your device and no data is transmitted over the internet, your information is protected by your device's built-in security features.
## Data Deletion
You can delete all App data at any time by:
- Clearing the App's data through your device's Settings > Apps > Chessis Vision > Storage > Clear Data
- Uninstalling the App
## Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Any changes will be reflected by updating the "Last Updated" date at the top of this document. We encourage you to review this Privacy Policy periodically.
## Permissions
The App requires minimal permissions:
- **Vibration**: Used only for haptic feedback when enabled in settings
## Contact Us
If you have any questions about this Privacy Policy, please contact us at:
**Email:** support@chessis.app
## Consent
By using Chessis Vision: Coordinate Trainer, you consent to this Privacy Policy.
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This privacy policy is effective as of January 1, 2026.