RufzXP TX · Android · iPhone · iPad
Copy the call. Send it back.
Train with real amateur-radio callsigns. Correct answers raise the speed; mistakes bring it down. Build accuracy for your next QSO or contest.
Paid app. Your purchase supports OpenShack.
Try free in your browser →
What you can practise
- Adaptive callsign practice at the speed that challenges you.
- Type the callsign or key it back in sending mode.
- Review copied callsigns and mistakes after a run.
- Track your personal best and share eligible competition scores.
Keyboard or your own paddle
No Box is needed to start. To use your own paddle or straight key, connect an OpenShack Box: Android supports USB, Bluetooth LE or Network Box; iPhone and iPad support Bluetooth LE or Network Box. Compatible Box firmware is required.
More about the Box →An app purchase supports the project.
Apps are purchased individually in the relevant store. Your purchase supports OpenShack development. The Windows license and Box are separate products. The app interface is in English.
Practice runs locally in the app. MorseChat and online leaderboards need Internet access. You can try the browser version before buying.