Only essential features. Designed to make your daily training a habit.
Scientifically proven 20 seconds work, 10 seconds rest, for 8 sets. Improve both aerobic and anaerobic capacity in just 4 minutes.
Large, clear display that's easy to see during exercise. No confusion even when you're sweating.
Sound notifications for start and end timing. Stay focused on your training without looking at the screen.
Open the app and tap once to start training. No complicated settings or preparation needed.
Minimal features mean minimal storage usage and smooth performance.
We don't collect personally identifiable information. Use with peace of mind.
Intuitive interface to get you started immediately.





If you have any questions or issues, feel free to contact us.