THE GYM APP THAT
THINKS FOR YOU
Log your sets. RepStack handles progressive overload, detects PRs, and coaches you through every session — automatically.
873 exercises · 5 programs · Works offline
Features
Everything You Need to Progress
AI Coach
Automatic progressive overload suggestions for every exercise, every session.
Strength Score
A single 0-999 score measuring your total strength across 5 compound lifts.
What-If Projections
See when you'll hit milestones based on research-backed progression models.
Program Import
Paste text or upload XLSX. AI parses exercises, sets, reps, and RIR instantly.
PR Detection
Every personal record caught and celebrated — e1RM, max weight, max reps, volume.
Offline First
SQLite on device. Works without internet, syncs via iCloud when connected.
Get Early Access
RepStack is launching soon. Join the waitlist and be the first to train smarter.