Hi.
I would like to recommend You my latest app for interval workouts - Caynax HIIT.
You can use TTS and beeps countdown.
You can download app on Google Play market - simply search for "Caynax HIIT".
https://play.google.com/store/apps/details?id=com.caynax.hiit
I would like to recommend You my latest app for interval workouts - Caynax HIIT.
You can use TTS and beeps countdown.

You can download app on Google Play market - simply search for "Caynax HIIT".
https://play.google.com/store/apps/details?id=com.caynax.hiit