Pocket DX Contest

Privacy Policy

Last updated: October 22, 2026

Pocket DX Contest is an offline amateur-radio CW contest training simulator for iOS and Android, developed by Martin Belan (Marblify).

Data on your device

The app does not collect or transmit personal data to the developer. Your callsign is used locally to personalize practice. Preferences and high scores are stored on your device; contest contacts are held locally during the session. The Android app does not use cloud backup for its app data. You can remove Android app data through system settings or by uninstalling the app.

No accounts, advertising or tracking

No sign-in is required. The app has no advertising, analytics, tracking, or third-party services that collect user data. It does not request access to your contacts, location, camera or microphone. Morse audio is generated on your device.

External links

The app contains links to marblify.com, including this privacy policy. Links open in your browser. Website visits are subject to that website's practices and your browser's privacy settings.

Children's privacy

The app does not knowingly collect information from anyone, including children.

Changes

Updates to this policy will be posted at https://marblify.com/pocket-dx-contest-privacy-policy.html with a revised date.

Contact

Martin Belan (Marblify)

marblify@marblify.sk