Statcheckr
Put your money where your muscles are.
Statcheckr lets you make fitness wagers with friends and tracks everyone's progress with automatic, color-coded charts.
Create wagers
Bet on bodyweight, body fat, calories, or exercise. Set the punishment.
Challenge friends
Add friends by username and invite them to compete with you.
Auto-graphed progress
Log your daily stats and every participant is plotted automatically.