liftwin

Strength training for iPhone and Apple Watch

Show up.
Get stronger.

Log your training, follow a plan that adapts, and see how you move with rep-by-rep form checks that never leave your iPhone.

Coming soon to the App Store No account. Nothing uploaded.
Liftwin's Today screen: a recovery check suggesting one set fewer, and today's planned Full body A workout.
The Plan screen: a week of workouts, with a card to build a plan from a goal.

Consistency, by design

A plan to build on.

Tell Liftwin what you want — “Bench 100 kg by March, three days a week” — and it designs the weeks around it, with deloads and test weeks where they belong.

  • Weights set for youDouble progression with sensible jumps for each lift and the plates you have, holds after missed reps and a deload when you need one.
  • Fits your gym and your timePrograms adapt to your equipment, the movements you want to avoid and how long you have.
  • Life happensSkip a day and the plan shifts without losing its order.
The Form screen: Form Lab, with a back squat form check scored 93.

Form Lab

Every rep tells a story.

Record a set or pick a video. Liftwin measures each rep on your iPhone and gives you one clear cue for next time.

  • Rep-by-rep checksDepth, torso angle, bar path, left–right balance, lowering control and consistency across the set.
  • A 3D twin you can orbitSee your lift from any angle, rep by rep.
  • Private by defaultVideos are analysed on your iPhone and stay there.
The Progress screen: sessions, volume and an estimated one-rep max for bench press rising 16 percent.

The work adds up

Stronger over time.

Estimated maxes, top sets, weekly volume and personal records for every lift, from four weeks back to your very first session.

  • Bring your historyImport years of workouts from Strong or Hevy in a minute.
  • Records that mean somethingHeaviest weight, most reps, estimated max and volume, each announced once.

And the details

Built for the gym floor.

Apple Watch

Complete sets and follow rest from your wrist, with heart rate and energy recorded to Apple Health.

Recovery check

Sleep, HRV and resting heart rate from Apple Health suggest a lighter day when you need one.

Rest timer everywhere

Live Activities and the Dynamic Island count down your rest and let you finish a set from the lock screen.

Fast logging

A keypad built for sweaty thumbs, supersets, warm-up ramps and plate maths done for you.

A library of 146 movements

Illustrated demos, cues and common mistakes for every exercise.

Your data, portable

Back up everything, videos included, and restore on any iPhone. Or export readable JSON.

Privacy

Your training stays on your iPhone.

Liftwin has no accounts, no analytics, no advertising and no tracking. Form checks and coaching text are produced on your device, and nothing is sent to us. Read the privacy policy.

  • No sign-up
  • No servers
  • No ads or trackers
  • Erase everything in one tap

Pricing

Free to train. Premium to see more.

Free

Everything you need to train

  • Logging, templates and plans
  • Progression and recovery check
  • Apple Watch, Health and widgets
  • Movement library and strength progress
  • Three form checks a month

Liftwin Premium

Monthly or yearly

  • Unlimited form checks and your 3D twin
  • Coach chat about any set, on device
  • Form-aware progression
  • Form trends by week and by load

Subscriptions renew automatically until cancelled in Settings. Prices are shown in the app.