log4gym
Track your training, own your progress.
A gym workout tracking app built as a Progressive Web App. Log exercises with sets, weight, reps, and RPE. Build reusable routines, browse 571+ exercises with animated instructions, and track your progress with 15+ analytics widgets — all from your phone.
Features
Everything you need to track your training
Workout Logging
Log sets, weight, reps, RPE, and cardio metrics. Auto-fill from previous sessions for faster logging.
15+ Analytics Widgets
Personal records, volume trends, muscle group balance, estimated 1RM, workout streaks, calendar heatmap.
Built-in Calculators
Plate calculator, strength standards, RPE/RIR converter, and TDEE/macro calculator.
571+ Exercise Library
Curated exercises with animated visual instructions and muscle group filtering.
Reusable Routines
Create workout templates with default sets, reps, and weight. Start a session in one tap.
Rest Timer
Circular progress timer with audio and vibration alerts between sets.
Built With
Tech Stack
Highlights
Why log4gym
- →Free to use — no subscriptions or paywalls
- →Install on your phone as a native-feeling PWA
- →Detailed analytics to track strength progression over time
- →CSV export of full workout history
Try log4gym
Start tracking your workouts with a guest account — no signup required.