Introducing QRNT Slim
A Slimmer, Smarter Ring By QALO
Engineered for everyday life. The new QRNT Slim is our most advanced ring yet—packing powerful biometric insights into a 2.2 mm design.
Backed by data. Fueled by research.
0k+
Hours of Sleep Studied
0k+
Hours of Heart Data Studied
0k+
Hours of Activity Studied
The Everyday Smart Ring
Made for Movement
Accurate
We studied 915k+ hours of sleep, vitality, and movement data to build algorithms you can rely on.
Durable
Affordable
Secure
Unlock Your Best: The QRNT Experience
Track heart rate, sleep, steps, and more—all day, every day—for effortless health insights.
Understand sleep, movement, and vitality in a single glance.
Track every stage: awake, light, deep, REM, and even naps. Get a daily Sleep Score, plus tips to boost energy and master recovery.
Accurate vitals from finger sensors: heart rate, HRV, stress, SpO2, and temperature trends. Stay ahead with smart alerts—more precise than wrist wearables!
Track steps, calories, and distance across 54 unique activity modes, including automatic activity detection. Up to 12.5% more accurate than popular alternatives!
Start Tracking Today
ORDER QRNT SLIMSmarter cycle health at every stage.
Understand all four phases on a deeper level with symptom logging, cycle predictions, and personalized insights–all without a subscription.
QRNT predicts the start of your period and provides tailored tips based on your unique skin temperature and heart rate data. Go deeper with easy symptom logging and a daily journal.
Take advantage of rising energy and feel your most productive. QRNT spots hormone shifts and suggests optimal workouts and nutrition accordingly.
Make the most of your high-energy phase. QRNT predicts fertility through cycle tracking.
Navigate your period with calm, supportive insights. QRNT uses heart rate and temperature data to predict your next cycle. Stay balanced and prepared for your next period.
![[Image Alt Placeholder]](https://cdn.shopify.com/s/files/1/0201/1744/files/women_s_-_desktop.png?v=1757412928&width=100&crop=center)
![[Image Alt Placeholder]](https://cdn.shopify.com/s/files/1/0201/1744/files/Women_s_-_Menstrual_Phase.png?v=1757412938&width=100&crop=center)
Intelligent Engineering. Down-To-Earth Design.
QRNT Slim is the lightest smart ring on the market at just 2.5g– 24% thinner than competitors. That means light-as-air comfort that never stands in your way.
QALO TO THE CORE
Customize Your Ring
Comfort and individuality matter. Style and protect your QRNT with quality silicone covers—perfect for lifting, running, hiking, or work. Durable, customizable, and made to move.
Why Choose QRNT?
See How We Stack Up
QRNT SLIM
Ready to Track?
Buy QRNT Slim today for subscription-free women's health insights.
Core Women’s HealthFree, Unlimited Access
Temperature Sensor
Fertile Windows
In-App Temperature Insights
Thickness2.85mm/2.9mm
Weight
3.1g/3.7g
3.1g/3.7gBattery Life
Up to 10 days
Up to 10 daysWater Resistant
Up to 100m
Up to 100mComplete Women’s HealthFree, Unlimited Access
Temperature Sensors
Fertile Windows
In-App Temperature Insights
Thickness2.2mm
Weight
2.5g/3.1g
2.5g/3.1gBattery LifeUp to 5 days
Up to 5 daysWater ResistantUp to 100m
Up to 100mFor educational use only; consult a doctor for medical advice.
- No subscriptions required
- HSA/FSA eligible
Join Thousands Moving with QRNT
"Very happy with my..."
Very happy with my Qalo ring. Easy to set up, easy to use, very comfortable. Great daily feedback.
Lorenzo C
Verified Buyer
"Perfect fit, easy purchase, and great health insights."
I recently purchased this smart ring and couldn’t be happier with it. The buying process was quick and simple, and the ring fits perfectly. It does a great job of tracking my health and provides useful insights that help me stay on top of my wellness goals. Overall, it’s both convenient and reliable—I’d definitely recommend it!
LeAnn R.
Verified Buyer
"Just perfect!"
I just got my ring and I absolutely love it! The app is easy and very cool to see everything it tracks throughout my day! I highly recommend getting this ring!
Johnny
Verified Buyer
"Very happy with my..."
Very happy with my Qalo ring. Easy to set up, easy to use, very comfortable. Great daily feedback.
Lorenzo C
Verified Buyer
"Perfect fit, easy purchase, and great health insights."
I recently purchased this smart ring and couldn’t be happier with it. The buying process was quick and simple, and the ring fits perfectly. It does a great job of tracking my health and provides useful insights that help me stay on top of my wellness goals. Overall, it’s both convenient and reliable—I’d definitely recommend it!
LeAnn R.
Verified Buyer
"Just perfect!"
I just got my ring and I absolutely love it! The app is easy and very cool to see everything it tracks throughout my day! I highly recommend getting this ring!
Johnny
Verified Buyer
Download the QALO app and follow the steps to create an account and pair your ring.
