SleepOn vs ProSomnus® Oxymetrx™ App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SleepOn
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.
- 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
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SLEEPON is a home sleep testing system including a sleep ring with APPs. SLEEPON uses sleepFit™ algorithm to obtain accurate biological data through sleep ring and APP . SLEEPON screens sleep health issues and help you establish long-term sleep data through sleepFit™ algorithm for risk warning. SLEEPON is suitable for people of all ages, especially for middle-aged and senior people, executives, patients with chronic cardiovascular diseases, obese people and special working groups such as drivers. It is a guardian of your family's sleep health. The main features of ver 2.0: 1. Real-time data monitoring: Heart Rate/Oxygen Level, etc. 2. Professional daily sleep reports 3. Minute Data Report 3. Family and Friends Data Sharing 4. Sleep stages report 5. AHI report 6. Sleep activity and sleep debt report 7. Sleep Diary 8. Night Mode 9. Three font sizes selection 10. Bluetooth hardware connection and management, including firmware update over the air. ------------------------------------------- [Apple Health] Tip: This app supports Apple's health applications.Your Heart Rate, Oxygen Level, and sleep data will synchronize to the health center after authorization.
ProSomnus® Oxymetrx™ App
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.
- 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
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Our patented ProSomnus Oximeter Devices, including RPMO2 and HWO2, provide nightly insights to help you reach your sleep health and wellness goals. Engineered for continuous physiological data collection during sleep, ProSomnus devices allow you to visualize your oxygen, breathing, use time, and heart metrics on a nightly basis. Our technology is scientifically backed by medical research and utilizes innovative oximetry technology designed for comfort and accuracy. Smart. Seamless. Sleep-ready. EQUITABLE HEALTH Scientific studies associate melanin, skin color, age, temperature, and certain anatomical locations with inaccuracies when capturing physiologic data. Our scientists, doctors, and engineers have designed ProSomnus devices to minimize the effects of these variables when tracking and recording physiologic data, with the intent of enabling more equitable health. COMFORT AND CONVENIENCE Unlike other wearable devices, ProSomnus devices are designed to fit your bedtime routine. No messy cords. Nothing on your hands or wrists. No concerns about the temperature or movement of your extremities. Portable, easy to travel with, easy to clean, and easy to use. PERSONALIZED Custom-designed to fit your anatomy using the latest 3-D and AI technology. Robotically milled for a precision fit. Comfort without compromise. SLEEP INSIGHTS ProSomnus devices track key heart, oxygen, and breathing-related metrics that include pulse rate (heart rate), SpO2 (oxygen saturation), ODI (oxygen desaturations), sleep/wear time, as well as a calculated sleep score — all designed to help you understand and optimize your sleep quality. DATA SHARING Visualize your progress with ease, analyze sleep trends over time, and share monthly sleep data with family members and caregivers. Please refer to the labeling provided with your specific ProSomnus device for intended use and device capabilities.
Screenshots
Verdict
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.
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.
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.
| Parameter | SleepOn | ProSomnus® Oxymetrx™ App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (189 ratings) | 4.7 (14 ratings) — better |
| Positive reviews | 21.5% of reviews | 75.0% of reviews — better |
| Number of ratings | 189 — better | 14 |
| Update frequency | Every 9 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 128 MB | 42 MB |
| Age rating | 17+ | 17+ |
| Developer | Shenzhen Sleepon Technology Co., Ltd. | Prosomnus Sleep Technologies |
Customer experience
SleepOn
ProSomnus® Oxymetrx™ App
Bugs and requests
SleepOn
Reported bugs
3 issues- App crashes after firmware updates
- Bluetooth connectivity problems
- Data sync failures
Requested features
3 requests- Multiple alarm options
- Improved data visualization
- Better integration with health apps
ProSomnus® Oxymetrx™ App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SleepOn
No in-app purchases
ProSomnus® Oxymetrx™ App
No in-app purchases
Questions
Is SleepOn free?
Is ProSomnus® Oxymetrx™ App free?
Which has better reviews, SleepOn or ProSomnus® Oxymetrx™ App?
Do SleepOn or ProSomnus® Oxymetrx™ App have ads?
Which is updated more often, SleepOn or ProSomnus® Oxymetrx™ App?
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