Privacy Policy
Last updated: January 8, 2026
1. Data Collection
The application collects the following data:
1.1. Analytics (AppMetrica)
- Device technical data (model, OS version)
- App usage duration
- Anonymous device identifiers
- Error and crash information
Important: Chess games and app settings remain on your device and are not transmitted to servers.
1.2. Authentication Data
When using the authentication system, the following is collected:
- Email address
- Hashed password (not stored in plain text)
2. Data Usage
Collected data is used for:
- Analyzing and improving app performance
- Identifying and fixing errors
- Enhancing performance
- Understanding user preferences
3. Third-Party Data Sharing
Personal data is not sold.
Analytics data is shared only with:
- AppMetrica (Yandex) — for analytics purposes
Data may be processed on servers in Russia and other countries. Disclosure to third parties is only possible when legally required.
4. Data Protection
We apply the following security measures:
- Data encryption during transmission (HTTPS/SSL)
- Storage on secure servers
- Limited access to data
5. Retention Period
- Analytics data: 7 years (per AppMetrica policy)
- Local data: until app deletion by user
6. User Rights
You have the right to:
- Request information about collected data
- Request data deletion
- Opt out of analytics collection through device settings
7. Policy Changes
We may update this Privacy Policy. Changes will be published in the app and on our website.
8. Contact Information
Developer: Fukalov Daniil Andreevich
Email: dev.epriori@gmail.com
9. Governing Law
This Policy is governed by the laws of the Russian Federation, including Federal Law No. 152-FZ "On Personal Data".