GoLightWeight

Log every set in seconds, run proven programs like StrongLifts 5×5 and 5/3/1, and watch your Big 3 total climb. Offline-first — your gym has no signal, we know.

The offline-first workout tracker built for serious lifters. Every set writes straight to your device — logging is instant, even with zero signal in the basement gym. Your numbers, not a feed.

LOG THE WAY YOU ACTUALLY TRAIN • 379 exercises with illustrations and form cues — or create your own • Supersets, circuits, and drop sets • Warmup, top, backoff, and failure set types • RPE or RIR effort tracking, tempo, and per-set notes • Bodyweight, weighted, and assisted modes with true effective-load volume • Cardio logging with time, distance, and pace • Per-exercise rest timers and kg/lb unit override • Plate calculator pre-filled with your working weight • Interval timer for HIIT and Tabata • Tag the exact machine brand and model you used

23 PROVEN PROGRAMS StrongLifts 5×5, Starting Strength, GreySkull LP, Madcow, Texas Method, five flavors of Wendler's 5/3/1, PHUL, PHAT, Push Pull Legs, German Volume Training, and more. Each day loads exact sets, reps, and plate-rounded weights, and your training max advances from the lifts you actually hit.

ANALYTICS THAT EARN THEIR PLACE • Automatic PR detection — max weight, volume, and estimated 1RM • Big 3 total, volume trends, and per-lift strength charts • Muscle map and muscle-balance radar • Training heatmap, workout duration, and body-composition trends • Monthly report with month-over-month deltas

YOUR DATA, YOURS • 100% offline-first: no account and no signal required • Sign in with Apple or Google to back up and restore for free • Optional read-only body-weight import from Apple Health • Export your data anytime; delete your account in-app

GO PRO An optional auto-renewing subscription removes the free tier's one-workout-per-day limit and unlocks the deeper analytics panels plus hands-off background sync across your devices. Everything else — all 23 programs, the full exercise library, and every logging feature — stays free.

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Light weight, baby. Now go lift it.