A modern approach to training.

Plan smarter, train with intent, and see every muscle you train on an interactive 3D body map.

StayFit muscle map, a grey 3D body with the trained muscles lit up in red

What StayFit does

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Interactive 3D muscle map

A rotatable body that lights up exactly what you trained, daily and across the week.

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Smart splits

Build week-based or cycling splits and log each session against your plan.

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Recovery

Fitbod-style per-muscle recovery so you know what's fresh and what still needs rest.

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Progress & Health

Volume trends, streaks, bodyweight, and cardio, with optional Apple Health / Health Connect sync.