Privacy policy — Blindfold Trainer

Last changed: 26.8.2026.

1. Who processes your data

The data controller is Vladan Pejović, Kraljevo, Srbija, Republic of Serbia. Contact for privacy questions: privacy@chesstrainers.app.

2. The whole policy, in one paragraph

Blindfold Trainer collects nothing. It has no account, no advertising, no analytics and no crash reporting. It holds no internet permission at all, so it cannot send anything anywhere even if it wanted to — that is a property of the app as installed, not a promise about our intentions.

3. What stays on your device

Your progress and settings are stored on your device and nowhere else. We never see them. Uninstalling the app deletes them.

4. What the app does not have

• No account and no sign-in.
• No advertising and no advertising identifiers.
• No analytics and no crash reporting.
• No internet permission, so no network traffic of any kind.
• No links to external content.

5. Your rights

There is no data held by us to access, correct or delete — everything is on your device, under your control. If you want to be certain, uninstalling the app removes all of it.

If you believe otherwise, or have a question, write to privacy@chesstrainers.app. We answer within 30 days. You may also address the Commissioner for Information of Public Importance and Personal Data Protection of the Republic of Serbia.

6. Children

The app is suitable for all ages. Since it collects nothing from anybody, it collects nothing from a child either.

7. Changes

If the app ever gains a feature that sends something off the device, this policy changes before that version is published, and the date at the top changes with it.

8. Contact

Vladan Pejović
Kraljevo, Srbija
privacy@chesstrainers.app