Coming Soon

Track calories
from your wrist.

A fitness band with a built-in camera. Press a button at any meal and get your calorie count instantly. No phone. No typing. No food diaries.

No spam. Just launch updates.

Crux calorie tracking band

One button. Instant calories.

Point your wrist at your plate. Press the button. Done.

Calorie tracking should
take zero effort.

You tried logging food manually. You quit. Everyone does. Crux works because you do not have to think about it.

Wear it.

A lightweight band that sits on your wrist all day. Comfortable enough to forget it is there.

Click it.

Press the button before your meal. The camera captures your food and AI estimates calories in seconds.

Done.

Calorie count appears right on your wrist. No phone, no database, no guessing portions. Just data.

Wear it. Click it. Done.

Built for one thing.
And it does it perfectly.

Crux is not another smartwatch trying to do everything. It is a purpose-built calorie tracker with a camera, a button, and a display. That focus is what makes it work.

  • Built-in camera for instant food capture
  • On-device AI, works without your phone
  • Calorie count right on the wrist display
  • One physical button, no menus
  • Lightweight, all-day comfortable wear
Crux band
Crux band display
Band
Crux companion app
Companion App

Your intake, always visible.

See your daily calories right on the band. When you want the full picture, the companion app tracks your history, streaks, and progress toward your goal.

The band does the hard part. The app is there when you want to go deeper.

Limited Early Access

The first 1,000 bands
go to the waitlist.

Be first in line. No commitment. Just priority access when we launch.