Track your gains.
Master your limits.
A beautifully crafted gym-tracking app for iPhone and Apple Watch.
Thermal Muscle Map
Visualize fatigue and recovery with a dynamic 7-day per-muscle thermal heatmap. See exactly which muscles you've trained and with what intensity.
Live Workout Runner
A streamlined active view. Log sets, weights, and reps with real-time heart rate zones and live Personal Record detection mid-session.
Multi-Gym Tracking
Train at different locations? Keep your logs and PRs organized per gym to account for different equipment weights and setups.
Apple Watch Companion
Leave your phone in your locker. Log sets directly from your wrist, view routines, and capture live heart-rate data instantly.
Smart Exercise Library
Quickly build routines using a searchable, filterable picker. Automatically calculates effective weight for bodyweight variants.
Apple Health Sync
Seamlessly sync your finished strength training sessions, workout durations, and heart rate data directly to Apple Health.
Currently in Private Beta
MSCLS is currently being tested via TestFlight. Public release TBD.
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