Available now for iPhone

Gainz is live.
Start growing today.

Download the fast workout tracker built for progressive overload. No invite. No waitlist. Open it on iPhone, log your first set in seconds, and know exactly what to beat next.

No invite. No waitlist. Free to start iOS 17+ with Apple Watch support
Bench Press
Set 3 of 4
Last: 185 lbs x 8
185 lbs
8 reps
3s
AI training intelligence

Know what today’s training should be.

Turn five quick signals—goal, performance, soreness, sleep, and consistency—into one clear call for your next workout.

Check my training readiness

Everything you need.
Nothing you don't.

Built for lifters who want results, not features.

3-Second Logging

Tap weight. Tap reps. Done. No menus, no friction, no wasted time between sets.

Beat Your Last

See exactly what you lifted last time. No guessing, no scrolling. Progressive overload made obvious.

Your Data. Yours.

Offline-first with optional sync. No ads. No selling your data. Export anytime, own everything.

Start training today.

No invite. No waitlist. Download Gainz, open a workout, and make your next set count.

01 / Download

Get Gainz from the App Store

Install the iPhone app, start free, and bring your workout history into a tracker that is built for lifting instead of admin work.

Available now for iPhone

02 / Log

Track the set you are doing now

Weight and reps stay front and center, so you can log quickly between sets without losing focus or digging through menus.

3-second set logging

03 / Progress

Beat yesterday's numbers

See the previous target before you lift, keep training offline when the gym signal drops, and sync when you are ready.

Offline-first with optional sync

What lifters are saying

"Finally an app that doesn't waste my time. Log, see what to beat, lift. That's it. That's all I needed."

M
Mike R.

Powerlifter · 8 years

"No ads, no influencer BS, just a clean tracker. Works offline in my basement gym. My data is mine."

J
Jessica T.

Home gym · 3 years

"I've tried Strong, Hevy, all of them. This is the first one that doesn't feel like homework. Just works."

A
Alex K.

Bodybuilder · 5 years

"The 3-second logging isn't marketing BS. It's actually that fast. Changed how I train."

S
Sarah M.

CrossFit · 4 years

"Finally an app that doesn't waste my time. Log, see what to beat, lift. That's it. That's all I needed."

M
Mike R.

Powerlifter · 8 years

"No ads, no influencer BS, just a clean tracker. Works offline in my basement gym. My data is mine."

J
Jessica T.

Home gym · 3 years

"I've tried Strong, Hevy, all of them. This is the first one that doesn't feel like homework. Just works."

A
Alex K.

Bodybuilder · 5 years

"The 3-second logging isn't marketing BS. It's actually that fast. Changed how I train."

S
Sarah M.

CrossFit · 4 years

"Finally an app that doesn't waste my time. Log, see what to beat, lift. That's it. That's all I needed."

M
Mike R.

Powerlifter · 8 years

"No ads, no influencer BS, just a clean tracker. Works offline in my basement gym. My data is mine."

J
Jessica T.

Home gym · 3 years

"I've tried Strong, Hevy, all of them. This is the first one that doesn't feel like homework. Just works."

A
Alex K.

Bodybuilder · 5 years

"The 3-second logging isn't marketing BS. It's actually that fast. Changed how I train."

S
Sarah M.

CrossFit · 4 years

"Finally an app that doesn't waste my time. Log, see what to beat, lift. That's it. That's all I needed."

M
Mike R.

Powerlifter · 8 years

"No ads, no influencer BS, just a clean tracker. Works offline in my basement gym. My data is mine."

J
Jessica T.

Home gym · 3 years

"I've tried Strong, Hevy, all of them. This is the first one that doesn't feel like homework. Just works."

A
Alex K.

Bodybuilder · 5 years

"The 3-second logging isn't marketing BS. It's actually that fast. Changed how I train."

S
Sarah M.

CrossFit · 4 years

"Finally an app that doesn't waste my time. Log, see what to beat, lift. That's it. That's all I needed."

M
Mike R.

Powerlifter · 8 years

"No ads, no influencer BS, just a clean tracker. Works offline in my basement gym. My data is mine."

J
Jessica T.

Home gym · 3 years

"I've tried Strong, Hevy, all of them. This is the first one that doesn't feel like homework. Just works."

A
Alex K.

Bodybuilder · 5 years

"The 3-second logging isn't marketing BS. It's actually that fast. Changed how I train."

S
Sarah M.

CrossFit · 4 years

"Finally an app that doesn't waste my time. Log, see what to beat, lift. That's it. That's all I needed."

M
Mike R.

Powerlifter · 8 years

"No ads, no influencer BS, just a clean tracker. Works offline in my basement gym. My data is mine."

J
Jessica T.

Home gym · 3 years

"I've tried Strong, Hevy, all of them. This is the first one that doesn't feel like homework. Just works."

A
Alex K.

Bodybuilder · 5 years

"The 3-second logging isn't marketing BS. It's actually that fast. Changed how I train."

S
Sarah M.

CrossFit · 4 years

The app is out. Your next workout can start in Gainz.

Download Gainz from the App Store today, open it on your iPhone, and start your first workout in seconds.

Download on the App Store

No invite | Free to start | Requires iOS 17 or later