iOS · Free · No Paywalls · No Ads
stop paying to see
your own gains.
All the features the other apps charge for.
All of them. Free. Forever.
iPhone · Apple Watch · Widget · Dynamic Island
Your workout data is yours. You created every rep. You earned every PR. You shouldn't need a subscription to see it.
Somewhere along the way, fitness apps decided that analytics, templates, and progress tracking were premium features. Things to be unlocked. For $5 a month.
i think that's wrong. so i built the alternative.
What you get — all of it
always know what to beat
Your last session's weight and reps appear on every set, automatically. No guessing. No wasted sets.
celebrate every PR
Personal record? gainzy catches it mid-workout and lets you know. Every single time.
know when to add weight
gainzy watches your consistency and tells you exactly when you're ready to progress. Like a coach. Free.
see what you actually train
Volume, tonnage, and sets per muscle group over time. The analytics the other apps charge for.
log from your wrist
Apple Watch companion. Log sets without touching your phone. Stays out of your way.
put your phone down
The rest timer runs in the Dynamic Island. See the countdown without unlocking your screen.
plan once, train forever
Templates, supersets, and custom programs. Build your routine and run it as many times as you want.
your data, nowhere else
No account. No server. No cloud i control. Everything lives on your device. Always.
The part that matters
everything they charge for.
i give free.
no trial. no tier. no asterisk. $0/month. permanently.
questions, answered
Is gainzy really free?
Yes. Every feature — PR tracking, analytics, templates, Apple Watch, export — is free forever. No subscription, no paywall, no ads, no in-app purchases. There is no paid tier to unlock.
Does gainzy sell or share my data?
No. gainzy has no account, no server, and no analytics or ad SDK. Every workout stays on your device. I literally never see your data.
Do I need an account to use it?
No account, no email, no login. Download it and start your first workout in seconds.
Does gainzy work offline?
Yes, 100%. gainzy never needs an internet connection. Optional iCloud backup uses your own personal Apple account.
What do I get for free that other apps charge for?
Unlimited PR tracking, volume analytics per muscle group, unlimited templates and supersets, 1RM estimation, full workout history, CSV/JSON export, and iCloud sync.
Is there an Apple Watch app?
Yes. Log sets from your wrist without touching your phone, and the rest timer runs on the Dynamic Island and a home screen widget.
Which devices does gainzy support?
iPhone on iOS 17 or later, plus Apple Watch, a home screen widget, and Dynamic Island support.
Is gainzy a good free alternative to paid workout trackers?
That's exactly why I built it. The analytics, PR tracking, and sync that other apps lock behind $5–6/month subscriptions are free in gainzy, forever.
one download.
zero subscriptions.
No account. No credit card. No upsell screen three weeks in.
Download free on the App StoreiOS 17+. Free. No strings.