HomeAppsProductivity30 Days ChallengeApps like 30 Days Challenge Here are some great alternatives to 30 Days Challenge by Terry Young Studio : Habit Tracker - Set Daily Task ★4.4 30 Days Plank Challenge ★4.6 Soft Challenge ★4.5 30 Day Fitness Challenge ★4.8 30 Day Fitness Challenge Pro ★4.6 30 Day Fitness App ★4.1 75 Days Hard Challenge Tracker ★4.5 Squad: Habit Accountability ★4.2 30 Day Ab Challenge - Amazing ★4.3 90 Day Challenge ★4.4 30 Days Squat Challenge ★4.6 30 Day Home Workouts ★4.6 30 Day Push Ups Challenge ★4.2 75 Days Challenge ★3.9 Tracker For 75 Days Soft ★3.7 Habit Challenge: Achieve Goals ★4.2