a:Drake is free, without ads and without a paid version – all features (including trackables) are available to everyone. The former paid version a:Drake Plus is no longer offered, its features are part of the main app.

• Phone / tablet: Android 9 and newer, install from Google Play.
• Wear OS watch (Wear OS 3 and newer): install a:Drake from Google Play directly on the watch, then send navigation from the cache detail on the phone with the Send to Watches button.

Pre-release test versions are announced in the discussion on the geocaching.cz forum (in Czech), where bugs and ideas can be reported too – see Development.