Privacy Policy

Chess Clock - Game Timer

Last updated: January 2026

Overview

Chess Clock ("the App") is designed with your privacy in mind. We believe in transparency and minimal data collection. This policy explains what data we collect, how we use it, and your rights.

Data We DO NOT Collect

• Personal information (name, email, phone)
• Location data
• Device identifiers for tracking
• Usage analytics or behavioral data
• Advertising identifiers
• Contact lists or photos
• Cookies or tracking pixels

Data Stored Locally on Your Device

The following data is stored only on your device and is never transmitted to us:

Game History

• Game records (timestamps, moves, time remaining)
• Player names you enter
• Game results and statistics

App Settings

• Language preference
• Sound settings
• Last used time control
• Custom time control presets

This data:

• Never leaves your device
• Is not backed up to our servers
• Is deleted when you uninstall the app
• Can be deleted anytime within the app

Optional Feedback Feature

If you choose to use the in-app feedback form:

What We Collect

• Your feedback message
• Feedback type (bug, suggestion, feature)
• Rating (1-5 stars)
• Email address (only if you provide it)
• Basic device info (OS version, app version)

How We Use It

• To improve the app
• To respond to your feedback (if email provided)
• To fix bugs you report

Third-Party Service

Feedback is processed through Sentry (sentry.io), a trusted error monitoring service. See their privacy policy: https://sentry.io/privacy/

Crash Reports

If the app crashes, anonymous crash data may be sent to Sentry to help us fix bugs. This includes:

• Error type and stack trace
• Device model and OS version
• App version

No personal data is included in crash reports.

Third-Party Services

We do not use any advertising, analytics, or social media SDKs.

Children's Privacy

The App does not knowingly collect any personal information from children. The App is suitable for all ages and contains no inappropriate content.

Data Sharing

We do not sell, trade, or share your data with third parties for marketing or advertising purposes.

Your Rights

You have the right to:

• Access: View all your data within the app
• Delete: Clear game history and settings anytime
• Portability: Share game results as images
• Opt-out: Don't use the feedback feature to avoid any data transmission

Data Security

• All data is stored locally on your device
• We use industry-standard encryption for feedback transmission
• We do not maintain servers with user data

Changes to This Policy

We may update this policy occasionally. Changes will be reflected in the "Last updated" date. Continued use of the App after changes constitutes acceptance.

Contact Us

If you have questions about this privacy policy:

Email: vladimir.lorentz@gmail.com

Summary