Inertia Fit

Inertia Fit — Stay In Motion

A workout tracker with built-in competition. See what your friends lift. Try their workouts. Climb the leaderboards.

COMPETE WITH FRIENDS
- 6 leaderboard categories: volume, intensity, consistency, PRs, and more
- Try any friend's workout with their exact sets and weights to beat
- Activity feed shows every set, rep, and pound your friends log
- Earn titles and archetypes based on how you actually train
- Save workouts from friends to your own library with one tap

SEE IF YOU'RE IMPROVING
Inertia Fit shows you how every workout compares to your last:
- Green when you beat your previous numbers, red when you don't
- Set-by-set comparison while you log—your last performance is always visible
- Period stats show week-over-week, month-over-month, and year-over-year deltas
- When you try a friend's workout, compare your numbers to theirs in real time

TRACK YOUR WAY
- Lifting, cardio, or both—all in one app
- Start a quick workout or build structured splits
- Smart suggestions know what's next in your rotation
- Supersets, circuits, and compound movements fully supported
- Muscle recovery tracking shows what's ready to train
- Swap or add exercises mid-session without breaking flow

STATS THAT MATTER
- 6 PR types: max weight, max reps, max volume, estimated 1RM, max time, max distance
- Cardio metrics by activity: pace, mile time, and more for running, rowing, cycling
- Weekly, monthly, and yearly trends
- Muscle group balance over time
- Full workout history with searchable exercise stats

FULLY CUSTOMIZABLE
- Unlimited splits, workouts, and custom exercises
- Reps, time-based, or cardio—your call
- Everything free. No paywalled features.

Why Inertia? An object in motion stays in motion. Inertia Fit helps you keep momentum—with friends pushing you forward.