Inertia Fit

Keep Each Other Moving

The workout tracker for lifting friends—whether you train together or apart

Stay Connected

Stay Connected

See what your friends are lifting—every exercise, every set, every rep. Watch them hit PRs, celebrate their streaks, and know who's crushing it without having to ask

Lift Together

Lift Together

Can't make it to the same gym? Train "together" from anywhere with joint sessions—see your friend's progress in real time and send support mid-set

Friendly Competition

Friendly Competition

Try any friend's workout with their exact sets as your target, create challenges with deadlines, and compete across 6 leaderboard categories—all optional