Track. Evolve. Repeat.
The smartest way to track your workouts and measure real progress with science-backed metrics.
Everything you need to progress
Simple, fast, and intelligent workout tracking.
Lightning-Fast Logging
Log sets, reps, and weights with just a few taps. No friction, no wasted time between sets.
Progressive Overload Factor
Our science-based POF system tracks your real progress across weight, reps, and effort — so you always know if you're improving.
AI-Powered Routines
Create personalized workout routines with LeanGPT. Just describe your goals and get a complete program.
Ready-to-Use Programs
Start immediately with Minimalist Training — proven 3-day programs designed for real results.
Import Your Data
Switching from Hevy or Strong? Import your entire workout history in seconds.
Live Activity Widget
Track your active workout right from your lock screen. Never miss a rest timer.
Progressive Overload Factor
Most apps just log your workouts. Lean actually tells you if you're getting stronger. Our POF system analyzes weight, reps, and effort to give you a clear picture of your progress.
Built for Personal Trainers
Manage your students, create routines, and track their progress — all in one place.
- Create and assign routines to students
- Monitor progress and workout history
- Invite students with a simple link
- All your students in one dashboard
Start training smarter today
Join thousands of lifters who track their progress with Lean.