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Corely Arc

Corely Arc in black

Attach your Corely Arc to the weight stack. It counts your reps instead of your phone.

Count reps automatically on machines and cables. The Arc attaches to the stack magnetically and sends every set to the Corely app.

Corely Arc in white, front view

Full and half reps

Every set is split into full reps and half reps. Half reps cover less than 60 % of your full range of motion.

Lifting and lowering time

Average lifting and lowering time, time under tension and the movement profile of each rep.

Each side separately

Unilateral exercises are counted for the left and the right side on their own.

Rep Tracking is in beta in the Corely app. Each exercise is calibrated once with 10 reps.

USB-C port of the Corely Arc

USB‑C. Bluetooth. Updates on its own.

Motion sensor
Accelerometer and gyroscope, sampled at 104 Hz.
Hold to connect
Hold your phone right against the Arc to pair it with your CactusID.
Automatic updates
Released updates are installed automatically while the Arc is connected.
Sleeps by itself
After 5 minutes without movement. Move it to wake it up.
Shared at the gym
If you allow it, a training partner can track their sets on your Arc as a guest.
Charging
Over USB‑C. The app shows battery level and charge cycles.
Corely Arc Pro in silver aluminium

Aluminium housing.

Arc Pro comes in an aluminium housing, in silver or anodised black.

Configure Arc Pro

Choose your Arc.

All products.