# SleepOn vs ProSomnus® Oxymetrx™ App

The clearest difference is review sentiment: ProSomnus® Oxymetrx™ App at 75% against SleepOn's 21%. ProSomnus® Oxymetrx™ App also leads on rating (4.7 vs 3.0). SleepOn's advantage is update cadence (every 9 days vs every 5 weeks) and ratings volume (189 vs 14). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ProSomnus® Oxymetrx™ App holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: SleepOn has 189 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 21% of SleepOn's written reviews are positive against 75% of ProSomnus® Oxymetrx™ App's.

SleepOn ships an update every 9 days, ProSomnus® Oxymetrx™ App every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SleepOn | ProSomnus® Oxymetrx™ App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (189 ratings)](https://appshunter.io/ios/app/sleepon/id1385995937/reviews) | **[4.7 (14 ratings)](https://appshunter.io/ios/app/prosomnus-oxymetrx-app/id6448197770/reviews)** |
| Number of ratings | **189** | 14 |
| Positive reviews | 21.5% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 128 MB | 42 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen Sleepon Technology Co., Ltd.](https://appshunter.io/developer/1385995936) | [Prosomnus Sleep Technologies](https://appshunter.io/developer/1683911633) |

## What reviewers say

### 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


### ProSomnus® Oxymetrx™ App

[App page](https://appshunter.io/ios/app/prosomnus-oxymetrx-app/id6448197770)

This app collects physiological data during sleep, including oxygen levels, breathing patterns, and heart metrics, to help users achieve their sleep health goals. It offers personalized comfort and convenience with a focus on equitable health data collection.

**Highlights:** Nightly sleep insights, Oxygen, breathing, and heart metrics, Equitable health data collection, Comfortable and convenient design, Personalized anatomical fit, Sleep score calculation, Data sharing with caregivers

**In-app purchases:** none


## Frequently asked questions

### Is SleepOn free?

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

### Is ProSomnus® Oxymetrx™ App free?

ProSomnus® Oxymetrx™ App is free to download, with no in-app purchases.

### Which has better reviews, SleepOn or ProSomnus® Oxymetrx™ App?

ProSomnus® Oxymetrx™ App is rated higher. SleepOn averages 3.0 out of 5 from 189 ratings, while ProSomnus® Oxymetrx™ App averages 4.7 from 14 ratings.

### Do SleepOn or ProSomnus® Oxymetrx™ App have ads?

Neither SleepOn nor ProSomnus® Oxymetrx™ App shows ads.

### Which is updated more often, SleepOn or ProSomnus® Oxymetrx™ App?

SleepOn ships an update every 9 days, and ProSomnus® Oxymetrx™ App every 5 weeks. Most recently, SleepOn was updated on November 2, 2026 and ProSomnus® Oxymetrx™ App on November 3, 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.*