Day
Understand what your body is carrying.
Follow activity and physiological context without adding another screen to your day.
ARC Band
Know your body.
Wear less.
Heart rate, HRV, sleep, recovery, activity and health trends from a lightweight screenless band designed for precise around-the-clock tracking.
$99 priceCore ARC App included$0/month
ARC Band is available to order. Heart rate, HRV, sleep, recovery and activity tracking, with up to 14 days of battery life.
Screenless
Designed for 24/7 wear
Sleep
Recovery
Activity
ARC App included
$0/month
1-year return guarantee
2-year warranty
How it works
Sense. Learn. Guide.
- 01
Sense
Optical and motion sensors on the underside read signals day and night.
- 02
Learn
ARC builds your personal baseline over the first weeks of wear.
- 03
Guide
The ARC App turns changes into clear sleep, recovery and activity trends.
ARC Band
Built to stay on.
A lightweight, screenless form designed for precise heart-rate, HRV, sleep, recovery, activity and long-term wellness trends, with replaceable straps and core app access included.
Screenless
Replaceable straps
Up to 14-day battery
ARC App included
A day with ARC
One band. The whole picture.
Training
Know the effort.
Track workouts, heart-rate zones and training frequency with a screenless band.
Recovery
See how you responded.
Bring sleep, recent activity and personal baseline signals together in one recovery view.
Anywhere
Keep your rhythm on the move.
Stay on the same baseline across time zones, flights and changing routines.
Recovery
Your baseline, not somebody else's.
ARC is designed to combine your personal baseline with signals such as HRV trends, resting heart rate, sleep, recent activity and temperature deviation. Recovery is a wellness estimate, not a medical diagnosis.
Recovery, this morning
Sample data
82of 100
Ready for a productive day.
HRV is above your baseline and resting heart rate is steady.
HRV
68 ms
+6% vs baseline
Resting HR
54 bpm
Steady
Sleep
7h 46m
+22 min
Temperature
+0.1°
Within baseline
Sleep
Sleep, understood.
See duration, consistency, estimated stages, resting heart rate, HRV, movement and long-term sleep trends in one quiet interface.
Stress
See how your body responds.
ARC is designed to surface daily physiological stress patterns so you can explore relationships between sleep, exercise, travel, late meals and recovery routines without implying a psychological diagnosis.
Physiological stress today
Balanced day
12 am6 am12 pm6 pmNow
Restored
9h 10m
Balanced
11h 20m
Elevated
3h 30m
No required membership
The app comes with the band.
Long-term trends
One day is data. Months become context.
Latest
54bpm
30 days average
55 bpm
Change over period
-2 bpm
58
56
53
Aug 26Aug 31Sep 5Sep 10Sep 15Sep 20Sep 24
Your typical rangeResting heart rateSample data for illustration. Not a claim about a real user.
Product craft
Made to disappear into the day.
Science
Useful signals. Clear limits.
Optical sensing
Multi-wavelength PPG supports heart rate and HRV trend measurement.
Temperature trends
Designed to compare nightly skin temperature patterns against your personal baseline.
Designed with care
ARC focuses on useful wellness signals, clear product information and a straightforward screenless experience.
ARC Band
One purchase. Core app included.
4.6 · 7,200+ reviews
$99 price
$0/month
ARC Band is available to order. Orders are processed through MemberConsole with signed order synchronization back to ARC.
Choose finish and sizeExplore
Made for the rest of your day.
FAQ
The useful questions, answered plainly.
Does ARC require a subscription?+
The product is being designed so no monthly membership is required for ARC Band’s core features and app experience.
How long does the battery last?+
Up to 14 days. Actual runtime varies with use.
Can I swim with ARC?+
Yes. ARC Band is rated 5 ATM (50 meters). ARC Ring is rated 10 ATM (100 meters). Dry the contacts before charging.
Does ARC work with iPhone and Android?+
Yes. The ARC app works with iPhone on iOS 16 or later, and Android 12 or later.
Is ARC a medical device?+
ARC is currently positioned as a consumer wellness product. It is not intended to diagnose, treat, cure or prevent disease.
Can I return it?+
Return or cancellation eligibility follows the terms presented with your order and applicable consumer law. Contact ARC support with your order number for help.