30 days of plank-training
This app helps you keeping track of your plank exercises for a period of 30 days.
- 30 day workout plan
- Workout timer with exercises for plank, right arm plank and left arm plank
- From 20 to 300 seconds in 30 days.
Free to use, but ad-supported.
Requirements: Windows Phone 8.1, Windows Phone 8, Windows Phone 7.5