Fever Scout vs OxyKnight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fever Scout
This app works with a wearable thermometer to continuously monitor a child's temperature. It displays trends, logs symptoms, and sends alerts for high temperatures. Data can be exported for easy sharing with healthcare providers.
- Continuous temperature monitoring
- Trending temperature graphs
- Medication and symptom logging
- Historical temperature data
- Multiple user support
- Customizable temperature alerts
- Data export via email/SMS
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As a busy parent, when your kid isn’t feeling well, you could use a little extra help. Fever Scout is a soft wearable thermometer that continuously measures temperature and wirelessly sends that information to your iPhone. The Fever Scout app requires the Fever Scout patch to function. Fever Scout App The Fever Scout app provides a practical and intuitive platform for users to monitor temperature and actively care for their loved ones. ● Provides users with temperature monitoring view: trending temperature graph ● Logs medication and symptoms of user ● Displays current and historical temperature trends in hours, days, weeks, or months ● Monitors multiple users from a single account ● Sends a notification if temperature reaches a user’s defined temperature alert ● Exports temperature information via email or SMS Fever Scout Patch The Fever Scout patch is a soft, silicone patch designed to be both fun and comfortable for children. The patch is designed to be worn with the temperature sensor in the armpit and will display the user’s body temperature. Fever Scout can be worn multiple times by using the included medical grade adhesives and can be recharged with the accompanying charger. The Fever Scout app is compatible with the iPhones that have Bluetooth 4.0 Low Energy capability, and running on iOS. Continued use of GPS running in the background can dramatically decrease battery life.
OxyKnight
This app works with compatible smart oximeter devices to monitor and record overnight pulse oximetry. It provides detailed sleep reports with SpO2 and PR trends, customizable alarms, and spot-checking capabilities for oxygen saturation and respiration rate.
- Overnight HRPO monitoring
- Sleep reports with SpO2/PR trends
- Customizable SpO2/PR alarms
- Spot Check SpO2, PR, Respiration Rate
- Bluetooth device connection
- Shareable sleep data
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The updated OxyKnight® App is now compatible with multiple CMI Health smart oximeters including the OxyKnight® Watch, the OxyKnight® Watch Lite, and the OxyKnight® Finger. The OxyKnight® Watch and Watch Lite are perfect for anyone who snores, who feels not fully rested after sleep, has sleep disorders or oxygen issues, or people who may need to be monitored during sleep. They are very comfortable to wear and operate continuously throughout the night. It’s made with a soft, flexible fingertip cup and adjustable wrist strap for simple use. Just 1 tap within the App to connect the Watch with the OxyKnight® App via Bluetooth. The OxyKnight® Finger is a clinical-grade smart fingertip oximeter designed for home use, sports, and aviation. Check your oxygen saturation anytime, anywhere, and sync results effortlessly with the OxyKnight® App. FEATURES (Need the compatible and designated OxyKnight® device for the specific functionality) - Monitors and records HRPO (High-Resolution Pulse Oximetry) overnight - Sleep report includes SpO2 and PR trend graph, and a series of statistics. Easy to share with family members or doctors. - Trend data for sleep quality, SpO2, and PR - Customizable SpO2 and PR alarms - Spot Check SpO2, PR, and Respiration Rate Disclaimer: Please always seek a doctor’s advice before making any medical decisions.
Screenshots
Verdict
The clearest difference is rating: OxyKnight at 3.5 against Fever Scout's 2.6. OxyKnight also leads on review sentiment (50% vs 17%) and update cadence (fortnightly vs every 2 months). Fever Scout's advantage is ratings volume (26 vs 8) and iOS requirement (9.0 vs 13.0). 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.
OxyKnight holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 26 and 8 respectively. Written reviews point the same way: 17% of Fever Scout's written reviews are positive against 50% of OxyKnight's.
Fever Scout ships an update every 2 months, OxyKnight fortnightly. The most recent releases landed on July 4, 2026 and July 5, 2026 respectively.
| Parameter | Fever Scout | OxyKnight |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (26 ratings) | 3.5 (8 ratings) — better |
| Positive reviews | 16.7% of reviews | 50.0% of reviews — better |
| Number of ratings | 26 — better | 8 |
| Update frequency | Every 2 months | Fortnightly — better |
| 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 | 58 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | VivaLnk | CMI Health Inc. |
Customer experience
Fever Scout
OxyKnight
In-app purchases
Fever Scout
No in-app purchases
OxyKnight
No in-app purchases








