# FeverCheck vs Thermometer Log

The clearest difference is rating: Thermometer Log at 4.8 against FeverCheck's 3.3. FeverCheck's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment and device support there is nothing between them.

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

Thermometer Log holds the better App Store score, 4.8 against 3.3. Both are backed by a comparable volume of ratings — 28 and 6 respectively. Written reviews complicate that: 54% of FeverCheck's written reviews are positive against 50% of Thermometer Log's, so the app with the better star average is not the one people write more warmly about.

FeverCheck ships an update weekly, Thermometer Log every 2 months. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FeverCheck | Thermometer Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (28 ratings)](https://appshunter.io/ios/app/fevercheck/id1504979135/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/thermometer-log/id1546929547/reviews)** |
| Number of ratings | **28** | 6 |
| Positive reviews | **54.2% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 6 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RR Solutions KG Des Rudolf Rienzner &Co.](https://appshunter.io/developer/1098655960) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### FeverCheck

[App page](https://appshunter.io/ios/app/fevercheck/id1504979135)

Record body temperature and illness symptoms with a timestamp. Receive alerts for temperatures above 37.5°C. Log personal contacts and export data for employer or health authority verification.

**Highlights:** Body temperature recording, Symptom input, High temperature alerts, Personal contact logging, Data export function, Timestamped entries

**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 FeverCheck free?

FeverCheck 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, FeverCheck or Thermometer Log?

Thermometer Log is rated higher. FeverCheck averages 3.3 out of 5 from 28 ratings, while Thermometer Log averages 4.8 from 6 ratings.

### Do FeverCheck or Thermometer Log have ads?

Thermometer Log shows ads; FeverCheck does not.

### Which is updated more often, FeverCheck or Thermometer Log?

FeverCheck ships an update weekly, and Thermometer Log every 2 months. Most recently, FeverCheck was updated on October 1, 2026 and Thermometer Log on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*