Comparison

Oura vs Stelo by Dexcom

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Oura

This smart ring and companion app provide daily health insights and personalized recommendations based on your body's biometrics. Track sleep, activity, and readiness with actionable guidance to improve overall wellness and understand your body's signals.

Highlights
  • Daily Sleep, Activity, and Readiness scores
  • Accurate biometric tracking (heart rate, temp, SpO2)
  • In-depth sleep analysis and optimization tips
  • Advanced activity tracking for various movements
  • Cycle insights and pregnancy tracking
  • Stress resilience and recovery guidance
  • Illness detection through body temperature shifts
Features
Read full description

Meet Oura Ring - the revolutionary smart ring that translates your body’s most meaningful messages to transform how you feel every day. The award-winning Oura App is your personal health companion, delivering valuable insights and daily recommendations to help you to make health and wellness a daily practice. THREE DAILY SCORES Your Sleep, Activity, and Readiness scores give you a clear understanding of the state of your body with actionable guidance on how to stay balanced. ACCURATE BY DESIGN Your finger provides the most accurate reading for over 30 biometrics like heart rate, body temperature, blood oxygen, and more. BEST-IN-CLASS SLEEP MONITORING Wake up to in-depth analysis of your sleep patterns and personalized tips to optimize your routine, so you’ll feel more energized every day. ADVANCED ACTIVITY TRACKING From mountain climbing to meditating, Oura Ring tracks your daily movement while prioritizing balance and rest. Measure your daily activities, calories, steps, and inactive time. CYCLE INSIGHTS Better understand your body’s cycle patterns or help improve your chances of getting pregnant by tracking daily and monthly body temperature trends. STRESS RESILIENCE Understand how daily stress is affecting your body and learn how to be more resilient to stress by finding balance between moments of strain and recovery. RECOVERY Get personalized insights and guidance on how rest and recovery affects your overall Readiness Score. Feeling under the weather? Activate Rest Mode to give yourself a break. ILLNESS DETECTION Oura Ring monitors shifts in your body temperature and heart rate so you can tell when you may be getting sick. LONG-TERM TRENDS View your daily, weekly, and monthly trends, and discover how your choices and environment affect your body. TRACK HABITS WITH TAGS Customize your experience and test out new habits by adding tags — like "caffeine" or "alcohol" — and discover how your choices affect your sleep and recovery. Oura Ring is not a medical device and is not intended to diagnose, treat, cure, monitor, or prevent medical conditions or illnesses. Oura Ring is only designed for general fitness and wellness purposes. Please do not make any changes to your medication, daily routines, nutrition, sleep schedule, or workouts without first consulting your doctor or another medical professional.

About

Stelo by Dexcom

Easily track your glucose levels 24/7 without fingersticks or a prescription. Gain personalized insights to understand how diet and exercise impact your health. This app empowers you to build healthier habits and take control of your well-being.

Highlights
  • 24/7 glucose tracking
  • No fingersticks required
  • Personalized health insights
  • Diet and exercise personalization
  • Form healthy habits
  • No prescription needed
Features
Read full description

Welcome to the revolution in personalized glucose health. The Stelo by Dexcom Glucose Biosensor finally gives you an easy way to track your glucose and form healthy habits. No fingerpicks. No prescription. Just results. Stelo sets the standard in glucose innovation – delivering 24/7 access to personal glucose insights, empowering you to uncover what works for you. Our smartphone* app, gives you the power to personalize your diet and exercise choices, so healthy habits can become second nature.¹ With Stelo, you can revolutionize the way you track your glucose – giving you everything you need to become a healthier you. Stelo Glucose Biosensor required for Stelo by Dexcom app use – sold separately at www.Stelo.com Stelo is indicated for adults 18+ who don’t use insulin. STELO IMPORTANT INFORMATION: Consult your healthcare provide before making any medication adjustments based on your sensor readings. Do not use if you have problematic hypoglycemia. Failure to use Stelo and its components according to the instructions for use provided and to properly consider all indications, contraindications, warnings, precautions, and cautions in those instructions for use may result in your missing a severe hypoglycemia (low blood glucose) or hyperglycemia (high blood glucose) occurrence. If your sensor readings are not consistent with your symptoms, a blood glucose meter may be an option as needed and consult your healthcare provider. Seek medical advice and attention when appropriate, including before making any medication adjustments an/or for any medical emergency. *For Stelo app compatibility information, visit stelo.com/compatibility. ¹ Stelo User Guide: MT-1000421

Screenshots

Oura4 screens
Stelo by Dexcom4 screens

Verdict

The call

The clearest difference is rating: Oura at 4.9 against Stelo by Dexcom's 2.5. Oura also leads on review sentiment (49% vs 18%) and update cadence (weekly vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Oura holds the better App Store score, 4.9 against 2.5. That said, the two scores are not equally well evidenced: Oura has 301K ratings behind it against 567, so its average is the more settled of the two. Written reviews point the same way: 49% of Oura's written reviews are positive against 18% of Stelo by Dexcom's.

UpkeepUpdate frequency

Oura ships an update weekly, Stelo by Dexcom every 6 weeks. Both last shipped on September 24, 2026.

Scorecard6 real differences · 5 level
Oura versus Stelo by Dexcom: the parameters behind the verdict, then further details
ParameterOuraStelo by Dexcom
PriceFreeFree
Rating4.9 (301K ratings) — better2.5 (567 ratings)
Positive reviews49.3% of reviews — better18.1% of reviews
Number of ratings301K — better567
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#13 — better#128
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS16.0 — better18.6
Further details — not scored
Size452 MB311 MB
Age rating4+17+
DeveloperOura Health OyDexcom

Customer experience

Oura

All ratings301,185 ratings
Positive97.2%
Neutral1.3%
Negative1.5%
Written reviews3,727 reviews
Positive49.3%
Neutral13.3%
Negative37.4%

Stelo by Dexcom

All ratings567 ratings
Positive30.0%
Neutral10.6%
Negative59.4%
Written reviews746 reviews
Positive18.1%
Neutral19.7%
Negative62.2%

User reviews

Oura

From 301K App Store ratings

What we love

  • 🚀 Accurate sleep tracking
  • 👍 Comfortable and stylish ring
  • 🔋 Long battery life
  • 💡 Helpful insights and recommendations
  • 👍 Seamless integration with Apple Health

Room to improve

  • 🐛 Inconsistent activity tracking
  • 🔒 Requires monthly subscription to access full data
  • 🐛 Inaccurate sleep stage detection
  • 🐛 Syncing and connectivity issues
  • 🔋 Battery life deterioration over time

Stelo by Dexcom

From 567 App Store ratings

What we love

  • 🚀 Easy sensor setup
  • 👍 Intuitive app interface
  • 🔍 Helpful for understanding glucose trends
  • 💡 Integrates with Apple Health

Room to improve

  • 🐛 Sensor accuracy issues
  • 🔍 Limited data history and analysis
  • 🤖 Lack of human customer support
  • 🔍 Inability to calibrate sensor
  • 🔍 Inconsistent Apple Watch integration

Bugs and requests

Oura

Reported bugs

4 issues
  • App crashes and freezes
  • Inability to connect ring to new devices
  • Disappearing or corrupted user data
  • Inconsistent firmware updates

Requested features

5 requests
  • Ability to manually edit sleep and activity data
  • More customization options for activity tracking
  • Integration with more fitness apps and ecosystems
  • Improved data visualization and trend analysis
  • Cycle tracking and insights for women

Stelo by Dexcom

Reported bugs

3 issues
  • Sensor session ending prematurely
  • Inconsistent data syncing with Apple Health
  • App freezing and crashing issues

Requested features

5 requests
  • Ability to view and export historical glucose data
  • Option to customize glucose target ranges
  • Integration with more fitness/nutrition apps
  • Improved Apple Watch support with complications
  • Enhanced meal and activity tracking features

In-app purchases

None

Oura

No in-app purchases

None

Stelo by Dexcom

No in-app purchases

Questions

Is Oura free?
Oura is free to download, with no in-app purchases.
Is Stelo by Dexcom free?
Stelo by Dexcom is free to download, with no in-app purchases.
Which has better reviews, Oura or Stelo by Dexcom?
Oura is rated higher. Oura averages 4.9 out of 5 from 301K ratings, while Stelo by Dexcom averages 2.5 from 567 ratings.
Do Oura or Stelo by Dexcom have ads?
Neither Oura nor Stelo by Dexcom shows ads.
Which is updated more often, Oura or Stelo by Dexcom?
Oura ships an update weekly, and Stelo by Dexcom every 6 weeks. Most recently, Oura was updated on September 24, 2026 and Stelo by Dexcom on September 24, 2026.
Which is more popular, Oura or Stelo by Dexcom?
Oura currently peaks at #13 in the App Store charts, and Stelo by Dexcom at #128. Chart position reflects recent download velocity rather than total install base.

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