HomeAppsProductivity30 Days ChallengeApps like 30 Days Challenge Here are some great alternatives to 30 Days Challenge by Terry Young Studio : 30 Days Plank Challenge ★4.6 Soft Challenge ★4.6 30 Day Fitness Challenge ★4.7 30 Day Fitness - Home Workout ★4.8 30 Day Fitness Challenge Pro ★4.6 30 Day Fitness App ★4.1 75 Days Hard Challenge Tracker ★4.0 Squad: Habit Accountability ★4.2 30 Day Ab Challenge - Amazing ★4.3 90 Day Challenge ★3.8 30 Days Squat Challenge ★4.6 30 Day Push Ups Challenge ★4.2 75 Days Challenge ★4.1 Pointagon: Custom Challenges ★5.0 Habit Challenge: Achieve Goals ★4.2 Tracker For 75 Days Soft ★3.9