Just say it.
Build logs it.

The workout tracker you talk to.

"Squat 275 for 6"
Your workout, ready to log
Holding the mic — Build listening
Build reading the set it heard
Set logged and checked off
Press & hold the mic
Speak your set out loud
Build reads it
It's tracked for you
Voice logging

Log a set without typing a thing.

Next set on the watch, ready to log by voice
Watch listening to your spoken set
Set logged and checked off on the watch
Live rest timer counting down on the watch
Hold to speak
Speak your set
Logged for you
Rest timer running
Apple Watch

Leave your phone in your bag.

Choose a routine photo to import
Build reading the routine from your photo
Imported routine ready to track
Snap or choose a workout pic
Build reads it
Your routine, ready to save
Routine import

Bring your whole program with you.

Everything else

Every number that matters.

Tracked, charted, out of your way.

Watch it climb

Every PR flagged automatically.

Squat stats page with the top-set progression chart and personal records

Instant recap

Volume, sets and muscle split.

Workout summary with duration, volume, sets and muscle split

Nothing forgotten

Every session and set, kept for good.

Workout history page with per-exercise top sets and PR badges

Pin any lift

Charted on your profile dashboard.

Profile dashboard tracking an exercise with a progression chart widget
Apple Health Workout synced
1,420kcal
58min
147avg bpm

Apple Health

245lb
45
3 plates per side · 45 lb bar

Plate calculator

Stop typing at the gym.

Build your next workout by voice.