The fastest way to
log a gym set.
No account. No social feed. No ads. Just lift, tap, done. Pay once or yearly.
iPhone · iOS 18+
Faster than Notes, simpler than Strong.
RepFast does one thing: get sets out of your head and into the log, as fast as possible.
Log in 2 taps
Tap the next-set row, tap ✓. Your weight and reps are pre-filled from your last set.
No account, ever
Everything stays on your phone. No email, no password, no profile to fill in.
Smart rest timer
Auto-starts the moment you log a set. Tells you what's coming next.
Real progress, no fluff
Volume, streak, and personal records. Charts that actually mean something.
Share your workout
Generate a clean image card of any session. Post to Instagram or send to your gym buddy.
Own your data
Export every set as CSV. Repeat any past workout in one tap.
Pay once. Or yearly.
Free forever for the basics. Pro unlocks everything below for one of two prices.
- ✓Unlimited workout history
- ✓Progress charts (4W / 12W / 1Y)
- ✓Personal record detection
- ✓Repeat any past workout
- ✓CSV export of every set
Subscriptions renew automatically via Apple. Cancel any time in iOS Settings → Subscriptions. No refunds for partial periods on the Lifetime plan after Apple's standard refund window.
Read the full Terms · Privacy Policy
Common questions
Do I need an account?+
No. RepFast works completely offline. We never ask for an email or sign-in.
Will you sell my data?+
There is no data to sell. Your workouts never leave your phone unless you tap the share button.
Can I cancel anytime?+
Yes — manage your annual subscription in iOS Settings → Apple ID → Subscriptions. The Lifetime plan is a one-time purchase, nothing to cancel.
What's the difference between Annual and Lifetime?+
Same features. Annual renews each year through Apple. Lifetime is one payment, yours forever.
Is there a free tier?+
Yes. Log unlimited workouts. The last 5 stay in History. Pro unlocks unlimited history, charts beyond a week, PR detection, repeat-any-workout, and CSV export.