Know your body. Skip the subscription.
RYTM reads your sleep, energy, stress and heart 24/7 and tells you when to push and when to recover. One band. One price.
- No subscription
- Up to 30 days per charge
- Free shipping
One band reads it all. You just live.
Wear RYTM day and night. It tracks your heart, sleep, stress and energy in the background and turns it into clear scores you can act on.
- Battery
- 30days
- on a single charge
- Tracking
- 24/7
- heart rate, HRV and blood oxygen
- Subscription
- $0/ month
- pay once, keep it forever
- Sleep
- 4stages
- awake, light, deep and REM
Everything your body is telling you. In one band.
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Know how your body feels
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Train with purpose
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Sleep that actually restores
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Stress, measured
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Recover like you mean it
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Built around your cycle
Readings shown are examples.
Your whole day. One glance.
Every morning the free companion app turns your night into clear scores. No charts to decode, no guessing.
- EnergyHow charged you are today, from your sleep, HRV and resting heart rate.
- SleepLight, deep and REM stages with a score you can actually improve.
- StressSee the tense hours, and what brings you back to calm.
Pay once. Not every year.
Membership bands charge you every year just to see your own data. RYTM doesn't. Ever.
What you pay over 2 years
That's 298,01 € less than WHOOP One over 2 years.
Membership prices as listed on whoop.com in November 2026. WHOOP is a trademark of its owner.
Three colours. Zero distractions.
A soft knit strap that goes from the gym to the office to bed. Pick the one you'll never take off.
Goes with everything, from training kit to a suit.
Choose your colourBuilt to disappear. Made to last a month.
Soft knit, all day and night
An elastic knit strap and a light sensor module you forget you are wearing.
30days
Battery life
Up to 30 days of normal use on one charge.
1.5h
Full charge
Magnetic charger. Back to 100% before breakfast.
24/7
Always measuring
Heart rate, HRV, blood oxygen, stress and sleep.
0screens
Zero distractions
No notifications pulling you in. Your data waits in the app.
iOS + Android
Works with your phone
Bluetooth 5.3 and a free companion app. No account fees.
Sweat, rain, shower
Keep it on
Built to stay on through workouts, downpours and showers.
Do I need a subscription?
No. You pay once for the band and the companion app is free. There are no monthly or yearly fees, ever.
How long does the battery last?
Up to 30 days of normal use on a single charge. A full charge takes about 1.5 hours with the magnetic cable.
Does it work with my phone?
Yes. RYTM Zero connects over Bluetooth 5.3 to iPhone (iOS 9 or later) and Android (4.0 or later) through the free companion app.
Can I train and shower with it?
Yes. It's built for sweat, rain and showers, so you can keep it on day and night.
Why no screen?
So nothing pulls you in. Your readings wait in the app whenever you want them, and the band gives a gentle vibration for calls and messages.
What exactly does it track?
Sleep stages and a sleep score, energy (body battery), stress, HRV, heart rate 24/7, blood oxygen, steps, calories, workouts in many sport modes, and your cycle.
What if it's not for me?
You have 30 days to send it back. Shipping is free.
Know your rhythm. Starting tomorrow morning.
One band, one price, no subscription. Free shipping and 30 days to make sure you love it.
99,99 €199,99 €once, not every year
