iOX vs OSTARAI HR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iOX
This app helps manage your personal health by noninvasively tracking blood oxygenation, heart rate, and perfusion index. It features a plethysmograph display and programmable alarms for health alerts. Data can be easily exported for review.
- Noninvasive SpO2 tracking
- Heart rate monitoring
- Perfusion index tracking
- Plethysmograph display
- Programmable alarms
- One-click CSV data export
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iOX’s new integrated mobile app brings our products to life. It is designed to fit your lifestyle and assist in everyday health management. The iOX allows you to noninvasively track and trend blood oxygenation(SpO2), heart rate(HR), and perfusion index(PI) for sports and aviation use. iOX’s new integrated app empowers you to manage your personal health in an intuitive way, while keeping up with your busy life. This app features a plethysmograph display and programmable alarms to let you know when values are too high or too low. One-click export of the recorded data into a CSV file.
OSTARAI HR
This app helps manage personal health data by recording daily measurements from a portable device. Users can upload data to the cloud for in-depth analysis and insights. It is intended for personal health management and not as a substitute for professional medical advice.
- Personal health management
- Record daily measurements
- Connects with portable devices
- Cloud data upload
- Detailed measurement analysis
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This application is only provided for users' personal health management. It is used in conjunction with a portable device to record daily measurement results. Users can choose to upload the data to the cloud for analysis and obtain more detailed measurement information. ＊Disclaimer This App and the accompanying portable device have no medical purposes and should not be used as a substitute for professional medical diagnosis. They are not designed for the diagnosis of diseases or other medical conditions, and are not suitable for the treatment, alleviation, medical care, or prevention of any symptoms or diseases. Please consult a healthcare professional before making any health-related decisions.
Screenshots
Verdict
The clearest difference is rating: OSTARAI HR at 5.0 against iOX's 2.8. iOX's advantage is ratings volume (15 vs 1). On price, update cadence, ads and in-app purchases 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.
OSTARAI HR holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: iOX has 15 ratings behind it against 1, so its average is the more settled of the two.
iOX ships an update every 2 months, OSTARAI HR every 6 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | iOX | OSTARAI HR |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (15 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 35.0% of reviews | — |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Net 1688, Inc. | 華星醫學科技有限公司 ALPHAHEART LIMITED |
Customer experience
iOX
OSTARAI HR
In-app purchases
iOX
No in-app purchases
OSTARAI HR
No in-app purchases
