The Challenge (Plank Challenge v.2)

30 days of plankchallenge, ab-challenge or 7 minute workout.

This app helps you keeping track of your exercises for a period of 30 days.

Features
- 30 day workout plan
- Workout timer with exercises
- From 20 to 300 seconds in 30 days.
- Workouts for Plank Easy, Plank Intermediate, Plank Only, 7 minute workout, 30 day Ab Challenge and Squat challenge

Free to use, but ad-supported.

Similar to my Plank Challenge App, but rewritten in Xamarin for easier cross platform development.