ChallengeBox alternatives

Spar is the challenge app. It lets you challenge your friends to build healthy habits in a super effective, fun, and social way. Read more books, hit the gym, learn an instrument, challenge your friends to anything.

Simple Fasting is a handy intermittent fasting tracker.🥦⏰ You can control your fasting time and follow your progress. You can also monitor your weight loss and take notes. Everything you need in a handy way.📈 Stay healthy with Simple Fasting!🤩