CronoBox Pro (com.sakisoft.cronopro) on Google Play
Timer for boxing workouts, one hundred percent functional. Removed the sleep mode and screen rotation, lest you suffer any interruption in your training. Besides the large screen lets you check the times with great ease. -No banner advertising to better enjoy your training. Full-time training per screen. -Registration training with time and number of rounds. -New Display Options for best settings.