SleepOn vs CIRCUL RING
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.
CIRCUL RING
This app tracks your sleep quality, daily activity, and key health indicators. It provides personalized insights and trends to help you understand and adjust your physical state. Professional sports data recording is also included.
- Sleep monitoring (heart rate, stages, temperature)
- Daily activity tracking (heart rate, steps, calories)
- Health indicator trend analysis
- Professional sports data recording
- Personalized health tips
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1. Monitor various body indicators during sleep, CIRCUL RING will monitor heart rate, sleep stage, night body temperature and other indicators in real time when you sleep, you can easily know the sleep status of each night, and provide personalized tips to help you adjust your physical state; 2. Monitor daily activity data around the clock, record your daily heart rate, steps, calories, exercise time, etc., and provide personalized prompts; 3. A quick overview of the changes in health indicators, rising or falling over time, and the trend of daily, weekly, and monthly changes at a glance; 4. Professional sports details record, including heart rate, step count and other detailed data, data charts, etc. *Disclaimer: This app is not a medical app, and all health-related data, results, recommendations, etc. are for reference only, not for medical purposes. The ring product connected to the application is not a medical device and cannot provide any medical services, if you feel unwell, please consult a medical institution in time.
Screenshots
Verdict
The clearest difference is rating: SleepOn at 3.0 against CIRCUL RING's 2.3. SleepOn also leads on update cadence (every 9 days vs every 3 weeks) and ratings volume (181 vs 34). 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.
SleepOn holds the better App Store score, 3.0 against 2.3. That said, the two scores are not equally well evidenced: SleepOn has 181 ratings behind it against 34, 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 13% of CIRCUL RING's.
SleepOn ships an update every 9 days, CIRCUL RING every 3 weeks. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.
| Parameter | SleepOn | CIRCUL RING |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (181 ratings) — better | 2.3 (34 ratings) |
| Positive reviews | 21.5% of reviews — better | 12.9% of reviews |
| Number of ratings | 181 — better | 34 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 128 MB | 106 MB |
| Age rating | 17+ | 17+ |
| Developer | Shenzhen Sleepon Technology Co., Ltd. | BodiMetrics, LLC |
Customer experience
SleepOn
CIRCUL RING
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
CIRCUL RING
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SleepOn
No in-app purchases
CIRCUL RING
No in-app purchases
