You choose how many days you’ll work out each week and place real money on the line. If you complete your workouts, you get your money back. If you don’t, the money follows your chosen consequence, like going to a good cause, a bad cause, or your workout buddy.

Self: You vs. your own consistency. Miss a workout, and your money is lost or redirected.

Buddy: You and a friend both commit. If one skips, the other may earn their money.

Group: Work out with three or more. If some go and others don’t, money gets split or sent to a cause, depending on your settings.

GainTain lets you log workouts quickly, track sets and reps, upload progress photos, and take weekly measurements. It’s designed to make consistent logging easy and rewarding.

The AI coach adapts your workouts based on performance. It also sends reminders, helps build custom programs, and keeps you focused when motivation dips.

You set your own goal each week, anywhere from 1 to 7 workout days. Most users aim for 3 to 5. You can adjust your schedule to match your current goals or recovery needs.

Premium unlocks all commitment types, adaptive coaching, analytics, and buddy credits. You’ll get five dollars for each friend who joins, plus the tools you need to stay consistent and motivated.

No, the tacker is free to use for anyone but it has limited functinalities.