Just say it.
Build logs it.

Build is a workout tracker you log by voice. Call out your set and it's saved before you rack the bar — no typing.

"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

A complete tracker, no busywork.

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

Apple Health Workout synced
1,420kcal
58min
147avg bpm

Apple Health

245lbPR 3M1YAll
Est. 1RMTop setVolumeReps

Progress & PRs

245lb
45
3 plates per side · 45 lb bar

Plate calculator

Push Day Mon · 1h 04m
Bench Press3 × 185 × 8
Incline DB Press3 × 70 × 10
Overhead Press3 × 95 × 8
Triceps Pushdown3 × 50 × 12

History

Workout complete Push Day · 1h 04m
18sets
12,480lb
2PRs

Workout summary

workout_history.csv 1,284 workouts
Bench Press185 × 8
Back Squat275 × 5
All imported

Import workout history

Stop typing at the gym.

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