Your collection
Every exercise you've trained becomes a card you keep, in the metal you've earned.
Every exercise is a card. Every workout is a stack.
Stack your exercises in the order you'll train, then work through them one set at a time. The more you train an exercise, the further its card upgrades, from iron all the way up to diamond.
Join the betaFree on iPhone through TestFlight. Sign in and log five workouts before launch, and you keep Pro for life.
Build
Put your exercises in order and the stack tells you if it makes sense. Big lifts first, smaller ones after. Don't tire out a muscle before the lift that needs it. Get the order wrong and the tower leans, the cards in the wrong place light up, and one tap tells you why.
Train
Slide to log each set and it's stamped into the card. A rest timer runs between sets. When the last set is in, swipe the card away and the next exercise comes up.
Upgrade
Every card starts as iron. Each session you train that exercise moves it towards the next metal, and a session where you do more than usual moves it further. Twice a week gets a card to gold in about four months. You can't buy an upgrade. You have to train for it.
Build it, then clear it
Build your workout by stacking exercise cards in the order you'll do them. Clear it by logging every set until the last card is gone.
Today's workout
Six materials, earned
Tap a metal to see this card at every stage. Every card starts as iron, and only training moves it up.
More than a stack of cards
Behind the cards, the app keeps track of everything you've done.
Your body, in metal
A 3D body where each muscle shows the metal you've earned on it, so your weaker areas stand out.
The numbers, when you want them
Every session you've logged, with your heaviest set and total volume, and a chart that shows whether they're going up.
Works offline
No internet? No problem. Log every set offline, and if you're signed in it syncs when you're back online.
Bring your history
Switching apps? Bring your past workouts with you from a CSV file.
Free where it counts
Building, logging, every metal and your full history are free for good. No ads, either.
Go further with Pro
Everything above is free. Pro analyses your training and shows you what's working, and what's holding you back. Sign in and log five workouts before launch, and you keep it for life.
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Your strength over time
An estimate of the most you could lift once, for every exercise, on a chart. Plus how your last set compares with your best, and whether your strength dips after your heaviest weeks.
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Your training
How you train, read from your own workouts: your balance, which muscles get the work, your habits, your style, and what has worked for you.
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Today's analysis
After each workout, STKD picks out what changed. A lift hit its highest in 12 weeks, broke out of a plateau, or came back after time off.
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Your year, in full
The year in review adds your biggest gains, how your training changed from the start of the year to the end, and what worked.
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Export
Take your full workout history with you as a spreadsheet.
Join the beta
Leave your email and we'll invite you as places open. Then sign in and log five workouts before STKD launches on the App Store, and Pro is yours for life.