Oura vs Stelo by Dexcom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 24/7 glucose tracking
- No fingersticks required
- Personalized health insights
- Diet and exercise personalization
- Form healthy habits
- No prescription needed
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Oura ships an update weekly, Stelo by Dexcom every 6 weeks. Both last shipped on September 24, 2026.
| Parameter | Oura | Stelo by Dexcom |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (301K ratings) — better | 2.5 (567 ratings) |
| Positive reviews | 49.3% of reviews — better | 18.1% of reviews |
| Number of ratings | 301K — better | 567 |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #13 — better | #128 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 452 MB | 311 MB |
| Age rating | 4+ | 17+ |
| Developer | Oura Health Oy | Dexcom |
Customer experience
Oura
Stelo by Dexcom
User reviews
Oura
From 301K App Store ratingsWhat 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 ratingsWhat 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
Oura
No in-app purchases
Stelo by Dexcom
No in-app purchases








