Comparison

Oura vs Solid Core

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

Solid Core

Manage your bookings, check your remaining visits, and get information on available services. Stay updated with the latest news and offers.

Highlights
  • Make bookings
  • View visit balance
  • Access service information
  • Receive news updates
Features
Read full description

Μέσω της εφαρμογής Solid Core μπορείτε να κάνετε τις κρατήσεις σας, να δείτε το υπόλοιπο των επισκέψεων και τις πληροφορίες σχετικά με τις υπηρεσίες που μπορείτε να κάνετε κράτηση, ενω παράλληλα ενημερώνεστε για τα νέα μας

Screenshots

Oura4 screens
Solid Core3 screens

Verdict

The call

The clearest difference is rating: Oura at 4.9 against Solid Core's 1.0. Oura also leads on update cadence (weekly vs every 14 months) and ratings volume (301K vs 1). 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 1.0. That said, the two scores are not equally well evidenced: Oura has 301K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Oura ships an update weekly, Solid Core every 14 months. The most recent releases landed on September 30, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 7 level
Oura versus Solid Core: the parameters behind the verdict, then further details
ParameterOuraSolid Core
PriceFreeFree
Rating4.9 (301K ratings) — better1.0 (1 ratings)
Positive reviews49.2% of reviews—
Number of ratings301K — better1
Update frequencyWeekly — betterEvery 14 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank#20 — better—
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size452 MB11 MB
Age rating4+4+
DeveloperOura Health OyKonstantinos Anagnostakis

Customer experience

Oura

All ratings301,185 ratings
Positive97.2%
Neutral1.3%
Negative1.5%
Written reviews3,730 reviews
Positive49.2%
Neutral13.3%
Negative37.4%

Solid Core

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

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

Solid Core

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Oura

No in-app purchases

None

Solid Core

No in-app purchases

Questions

Is Oura free?
Oura is free to download, with no in-app purchases.
Is Solid Core free?
Solid Core is free to download, with no in-app purchases.
Which has better reviews, Oura or Solid Core?
Oura is rated higher. Oura averages 4.9 out of 5 from 301K ratings, while Solid Core averages 1.0 from 1 ratings.
Do Oura or Solid Core have ads?
Neither Oura nor Solid Core shows ads.
Which is updated more often, Oura or Solid Core?
Oura ships an update weekly, and Solid Core every 14 months. Most recently, Oura was updated on September 30, 2026 and Solid Core on September 15, 2026.

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