Your workouts.
Automatically tracked.
A screenless lifting band that counts your reps in the background, so you can stop logging and start lifting.
No screen.
No logging.
Just lift.
Wear it.
Put it on your wrist before you train. No routine to build first.
Lift.
Train like normal. Buldrs reads your movement and counts every rep.
Review.
Open the app after. Your whole workout is already there.
Know which sets
actually counted.
Buldrs reads how fast every rep moves. When your reps slow down, it knows you're close to failure, and counts it as a hard set.
Ten seconds.
Everything you did.
Your reps, hard sets and PRs on one card, plus three lines on what to hit next time.
Built for the
weight room.
| Feature | Buldrs | Whoop | Garmin Cirqa |
|---|---|---|---|
| Built for | Lifting | Recovery and strain | All-day health |
| Logging lifts | Automatic, no setup | Plan the workout in the app | Detects activity type |
| Screen | None | None | None |
| Price | $79.99 + $5/mo | Membership | $199.99, no subscription |
Started by a
17-year-old lifter.
Logging sets between sets got old. So the band is being built from scratch, and every test, fail and first rep gets posted as it happens.
First rep counted
The prototype picks up its first set.
Exercise detection
Testing and tuning now.
Beta with athletes
Real lifters, real teams.
Launch
Target: January 2027.
Simple product.
Simple price.
- Automatic rep counting
- Workout recaps
- Last 30 days of history
- Effort and failure tracking
- AI debriefs and goals
- Full training history
Specs
- Battery
- Up to 7 days (target)
- Sensors
- Motion
- Wear
- Wrist
- Screen
- None
- Launch
- January 2027 (target)
FAQ
Common free-weight lifts are the focus right now, and the list grows through testing. If it ever guesses wrong, correct it once and it remembers how you lift.
It measures how fast each rep moves. As you get close to failure your reps slow down, and Buldrs flags that set as a hard set.
The band counts reps. After your workout, the app pre-fills the weight you used last time, so confirming takes a couple of taps.
No. Rep counting and recaps are free. Buldrs+ adds effort tracking, AI debriefs and your full history for $5 a month.
We're aiming for January 2027, possibly sooner. Waitlist members hear first and get first access.
Get in early.
Join the waitlist and be first in line when Buldrs ships.