Voice-powered workout tracking

Just say it.
Build logs it.

Call out your reps mid-set and Build logs them before you rack the bar. No typing. No fumbling with your screen.

Built for serious lifters · iPhone & Apple Watch · Free to start
"225 for 5"
Set logged
Build on Apple Watch
Watch
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Workout
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Your workout, ready to log
Listening…
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Build showing the set it heard
Logged
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Set logged and checked off
Voice logging

Log a set without typing a thing.

Build on Apple Watch
Watch
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Apple Watch

Leave your phone in your bag.

  • Current set, target reps & live rest timer
  • Live heart rate and calories burned
  • Tap or talk to log a set, right from your wrist
Pick a routine
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Choose a routine screenshot to import
Reading…
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Build reading the routine from your photo
Ready
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Imported routine ready to track
Routine import

Bring your whole program with you.

Everything else

A complete tracker, minus the busywork.

Everything serious lifters expect — fast, and out of your way.

Apple Watch

See your current set, rest timer, and live heart rate. Log a set right from your wrist.

Apple Health

Finished workouts save straight to Apple Health — duration and calories, plus heart rate when you track on your Apple Watch.

Progress & PRs

Personal records, per-exercise charts, and a dashboard you arrange the way you think.

Supersets, RPE & plates

Track how it really went — superset groups, RPE, set types, and a built-in plate calculator.

Works offline

Gym dead zone? Keep logging. Everything syncs the moment you're back online.

Your data, exported

Coming from another app? Import your history. Want out? Export to CSV anytime. No lock-in.

Pricing

Start free. Go Pro for unlimited AI.

The full tracker is free — forever. Build Pro just removes the limits on the AI features. That's the only difference.

Free

$0 forever

Everything you need to track every workout.

  • Unlimited workouts, routines & folders
  • Progress, personal records & charts
  • Apple Watch & Apple Health
  • Works offline, syncs everywhere
  • CSV import & export — no lock-in
  • 15 voice logs & 3 photo imports to try the AI
Build Pro

Pro

Unlimited AI

Everything in Free, with the limits lifted.

  • Unlimited voice set logging
  • Unlimited photo routine imports
  • Every future Pro feature, included

Monthly, annual, or one-time lifetime — choose in the app.

Stop typing at the gym.

Log faster, lift more. Run your next workout by voice.