# Fever Thermometer | Body Temp vs Masimo Radius T°

The clearest difference is review sentiment: Masimo Radius T° at 91% against Fever Thermometer | Body Temp's 18%. Masimo Radius T° also leads on rating (4.8 vs 4.3) and in-app purchases (none vs 5). Fever Thermometer | Body Temp's advantage is update cadence (fortnightly vs every 23 months) and ratings volume (261 vs 19). On price and device support there is nothing between them.

Both are free to download. Fever Thermometer | Body Temp sells 5 in-app purchases, starting at $6.99 per 7 days. Masimo Radius T° asks for nothing beyond the download.

Masimo Radius T° holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Fever Thermometer | Body Temp has 261 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 18% of Fever Thermometer | Body Temp's written reviews are positive against 91% of Masimo Radius T°'s.

Fever Thermometer | Body Temp ships an update fortnightly, Masimo Radius T° every 23 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Fever Thermometer | Body Temp | Masimo Radius T° |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (261 ratings)](https://appshunter.io/ios/app/fever-thermometer-body-temp/id1508978882/reviews) | **[4.8 (19 ratings)](https://appshunter.io/ios/app/masimo-radius-t/id1537213321/reviews)** |
| Number of ratings | **261** | 19 |
| Positive reviews | 17.6% of reviews | **90.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 23 months |
| Monetization | Freemium | **Free** |
| Size | 16 MB | 102 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yana Shestakova](https://appshunter.io/developer/1507299728) | [Masimo Corporation](https://appshunter.io/developer/568979269) |

## What reviewers say

### Fever Thermometer | Body Temp

[App page](https://appshunter.io/ios/app/fever-thermometer-body-temp/id1508978882)

Easily log and track body temperature for yourself and your family. Record measurements, add notes about health conditions or medications, and view a clear history of your readings. This utility does not require signup or internet access.

**Highlights:** Log body temperature, Track family temperature, Add notes for health/medication, View measurement history, No signup required, No internet connection needed

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Body Temperature Fever Log | $6.99 | per 7 days |
| Thermometer For Fever Premium | $9.99 | per month |
| Body Temp Thermometer Log | $19.99 | per 6 months |
| Thermometer Body Temp | $29.99 | per year |
| Premium Version | $19.99 | one-time |


### Masimo Radius T°

[App page](https://appshunter.io/ios/app/masimo-radius-t/id1537213321)

This app works with a wearable thermometer to provide continuous, round-the-clock temperature monitoring. It sends readings and high-temperature alerts directly to your phone, allowing you to track fever trends easily without disturbing sleep.

**Highlights:** Continuous 24/7 temperature measurement, High temperature notifications, Temperature trending visualization, Snapshot view of temperature range, Wearable and disposable sensor compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fever Thermometer | Body Temp free?

Fever Thermometer | Body Temp is free to download, with in-app purchases available.

### Is Masimo Radius T° free?

Masimo Radius T° is free to download, with no in-app purchases.

### Which has better reviews, Fever Thermometer | Body Temp or Masimo Radius T°?

Masimo Radius T° is rated higher. Fever Thermometer | Body Temp averages 4.3 out of 5 from 261 ratings, while Masimo Radius T° averages 4.8 from 19 ratings.

### Do Fever Thermometer | Body Temp or Masimo Radius T° have ads?

Fever Thermometer | Body Temp shows ads; Masimo Radius T° does not.

### Which is updated more often, Fever Thermometer | Body Temp or Masimo Radius T°?

Fever Thermometer | Body Temp ships an update fortnightly, and Masimo Radius T° every 23 months. Most recently, Fever Thermometer | Body Temp was updated on October 17, 2026 and Masimo Radius T° on October 13, 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.*