# Oura vs SleepOn

The clearest difference is rating: Oura at 4.9 against SleepOn's 3.0. Oura also leads on review sentiment (49% vs 21%) and ratings volume (301K vs 181). SleepOn's advantage is iOS requirement (9.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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 3.0. That said, the two scores are not equally well evidenced: Oura has 301K ratings behind it against 181, 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 21% of SleepOn's.

Oura ships an update weekly, SleepOn every 9 days. The most recent releases landed on September 28, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | Oura | SleepOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (301K ratings)](https://appshunter.io/ios/app/oura/id1043837948/reviews)** | [3.0 (181 ratings)](https://appshunter.io/ios/app/sleepon/id1385995937/reviews) |
| Number of ratings | **301K** | 181 |
| Positive reviews | **49.2% of reviews** | 21.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | Free |
| Best chart rank | **#18** | — |
| Size | 452 MB | 128 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oura Health Oy](https://appshunter.io/developer/1043837947) | [Shenzhen Sleepon Technology Co., Ltd.](https://appshunter.io/developer/1385995936) |

## What reviewers say

### Oura

[App page](https://appshunter.io/ios/app/oura/id1043837948)

**Currently charting:** #18 Top Free · Health & Fitness (US App Store)

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:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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


### SleepOn

[App page](https://appshunter.io/ios/app/sleepon/id1385995937)

This system uses a smart ring and an app to monitor your sleep health. It collects biological data to screen for sleep issues and provides detailed reports. The app helps you track long-term sleep patterns and offers risk warnings for potential health concerns.

**Highlights:** Real-time heart rate and oxygen monitoring, Professional daily sleep reports, Sleep stages and AHI reporting, Sleep activity and debt tracking, Family and friends data sharing, Bluetooth connectivity and firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Detailed sleep data
- 👍 Useful sleep tracking features
- 🔒 Secure and reliable
- 💡 Innovative sleep monitoring device

**What reviewers complain about**

- 🐛 Inaccurate sleep stage detection
- 🔋 Battery life issues
- 🔍 Poor customer support
- 🔍 Inconsistent data recording

**Reported bugs**

- App crashes after firmware updates
- Bluetooth connectivity problems
- Data sync failures

**Requested features**

- Multiple alarm options
- Improved data visualization
- Better integration with health apps


## Frequently asked questions

### Is Oura free?

Oura is free to download, with no in-app purchases.

### Is SleepOn free?

SleepOn is free to download, with no in-app purchases.

### Which has better reviews, Oura or SleepOn?

Oura is rated higher. Oura averages 4.9 out of 5 from 301K ratings, while SleepOn averages 3.0 from 181 ratings.

### Do Oura or SleepOn have ads?

Neither Oura nor SleepOn shows ads.

### Which is updated more often, Oura or SleepOn?

Oura ships an update weekly, and SleepOn every 9 days. Most recently, Oura was updated on September 28, 2026 and SleepOn on July 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*