# Fever Scout vs Thermometer Log

The clearest difference is rating: Thermometer Log at 4.8 against Fever Scout's 2.6. Thermometer Log also leads on review sentiment (50% vs 17%). Fever Scout's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Thermometer Log sells 1 one-off in-app purchase. Fever Scout asks for nothing beyond the download.

Thermometer Log holds the better App Store score, 4.8 against 2.6. Both are backed by a comparable volume of ratings — 26 and 6 respectively. Written reviews point the same way: 17% of Fever Scout's written reviews are positive against 50% of Thermometer Log's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 4, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Fever Scout | Thermometer Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (26 ratings)](https://appshunter.io/ios/app/fever-scout/id1095852565/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/thermometer-log/id1546929547/reviews)** |
| Number of ratings | **26** | 6 |
| Positive reviews | 16.7% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 6 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VivaLnk](https://appshunter.io/developer/1062183632) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### Fever Scout

[App page](https://appshunter.io/ios/app/fever-scout/id1095852565)

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.

**Highlights:** Continuous temperature monitoring, Trending temperature graphs, Medication and symptom logging, Historical temperature data, Multiple user support, Customizable temperature alerts, Data export via email/SMS

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermometer Log

[App page](https://appshunter.io/ios/app/thermometer-log/id1546929547)

Easily record and track your body temperature with this intuitive app. View historical data, analyze trends with graphs, and export your records. Supports both Celsius and Fahrenheit units.

**Highlights:** Easy temperature recording, Celsius and Fahrenheit support, Weekly, monthly, and 3-month graphs, Average temperature display, Data correction and addition, CSV export

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $4.99 | one-time |


## Frequently asked questions

### Is Fever Scout free?

Fever Scout is free to download, with no in-app purchases.

### Is Thermometer Log free?

Thermometer Log is free to download, with in-app purchases available.

### Which has better reviews, Fever Scout or Thermometer Log?

Thermometer Log is rated higher. Fever Scout averages 2.6 out of 5 from 26 ratings, while Thermometer Log averages 4.8 from 6 ratings.

### Do Fever Scout or Thermometer Log have ads?

Thermometer Log shows ads; Fever Scout does not.

### Which is updated more often, Fever Scout or Thermometer Log?

Fever Scout ships an update every 2 months, and Thermometer Log every 2 months. Most recently, Fever Scout was updated on July 4, 2026 and Thermometer Log on September 21, 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.*