Meet QuantumRing2. Sharper sensors, sizes 7–14 and a sleeker design. The next big ring thing.
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Smart health ring
Know if your body is ready.
Heart rate zones, HRV, sleep quality, fat burn, stress and more, tracked 24/7 right at your fingertips. Train smarter. Recover better. No subscription, ever.
Shop QuantumRing
No subscription
30-day money-back guarantee
12-month warranty
After every workout
See exactly how hard you worked it.
Heart rate zones, max HR, pace and exactly how many minutes you spent in the fat-burning zone, all recorded automatically. Stop guessing whether you smashed it. Know it.
177 bpm
Max heart rate
7 min
Fat burning zone
411 kcal
Calories burned
Every morning
Know before you train.
Your HRV score tells you if your body has bounced back enough to go hard today, or if a rest day is the smarter call. Sleep stages, blood oxygen and body temperature get tracked while you snooze.
84 / 100
Sleep score
58 min
Deep sleep
39 ms
Avg HRV
All day, on your finger
Your body never stops talking. Now you can listen.
Stress, blood oxygen, activity score and body temperature, tracked around the clock with no screen to check. Just your data, on hand whenever you want it. Syncs automatically with Apple Health and Google Fit.
100 / 100
Activity score
44 Normal
Stress level
98%
Blood oxygen
Smart value
Elite health data. Without the elite price.
Smart rings from Oura, Samsung and Ultrahuman cost $599 to $799. Quantum Ring gives you the health metrics that matter for a fraction of that. One payment. No ongoing fees. Now that's a deal that rings true.
Best value
Quantum Ring
Quantum Ring
One-time · no subscription · all features included
$98.90 – $109.90
total
Oura Ring 5
From $649 ring + $109.99/yr membership = $759 in year one
$759
year one alone
Samsung Galaxy Ring
$699 ring · no subscription
$699
upfront
Quantum Ring saves you hundreds of dollars in year one compared to Oura, and $0 every year after that. The data that matters, at a price that makes sense.
Choose your ring
See the full feature comparison →
What you track
Everything your body needs you to know.
9 health metrics tracked around the clock, including fat burn duration, which the Oura Ring doesn't offer.
❤️
Heart Rate
24/7 + zones during workouts
📊
HRV
Overnight recovery score
😴
Sleep Stages
Deep, REM, light + score
🩸
SpO₂
Blood oxygen overnight
🌡️
Body Temperature
Nightly min / max baseline
🧠
Stress
Continuous all-day score
🔥
Fat Burn
Minutes in the fat-burning zone. Oura doesn't track this
👟
Steps & Activity
Daily step count + activity score
📅
Menstrual Cycle
Cycle phase + fertility window
The ring
Made to be worn, not babied.
Battery
7 Days
Weight
3 – 4.5 grams
Water resistance
50m / 5 ATM
Sizes
7 – 14
Material
Stainless Steel
Colours
Black · Silver · Gold · Rose Gold
Syncs with the apps you already use · iOS 12.0+ & Android 8.0+
Verified buyers
Five stars from every verified buyer.
★★★★★
"Absolutely love it. Was contemplating buying the more expensive brand, however, this does everything I personally need. Comfortable, perfect fit, great battery life. 🙌"
★★★★★
"The Quantum Ring 2 is a major leap forward from the first version. It is refined, comfortable, stylish and functional. This ring packs a lot of the features of far more expensive rings into a much more attractive sell price. No hesitation in recommending this ring."
★★★★★
"Great for the price absolutely love it"
Risk-free
Take it for a 30-day test run.
↩️
30-day money-back guarantee
Not the perfect fit? Send it back within 30 days for a full refund on the ring (return shipping at your cost).
🛡️
12-month warranty
Full coverage against manufacturing defects for a full year from purchase.
Train smarter.
Recover better.
Start today.
9 health metrics at your fingertips. One payment and nothing else to pay. Not now, not ever.
Choose your ring30-day money-back guarantee · 12-month warranty · No subscription, ever
Quantum Ring
No subscription · 30-day money-back