# ThermoRegisterPlus vs Thermometer Log

The clearest difference is review sentiment: ThermoRegisterPlus at 100% against Thermometer Log's 50%. ThermoRegisterPlus also leads on rating (5.0 vs 4.8) and iOS requirement (8.0 vs 15.6). Thermometer Log's advantage is update cadence (every 2 months vs every 14 months) and ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ThermoRegisterPlus sells 1 one-off in-app purchase and Thermometer Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ThermoRegisterPlus holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Thermometer Log has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of ThermoRegisterPlus's written reviews are positive against 50% of Thermometer Log's.

ThermoRegisterPlus ships an update every 14 months, Thermometer Log every 2 months. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ThermoRegisterPlus | Thermometer Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thermoregisterplus/id1507124424/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/thermometer-log/id1546929547/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 6 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Airwire products.](https://appshunter.io/developer/471910489) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### ThermoRegisterPlus

[App page](https://appshunter.io/ios/app/thermoregisterplus/id1507124424)

Record your body temperature and basal body temperature data directly to Apple Health. This application allows manual entry of temperature readings from your phone, helping you track your health metrics.

**Highlights:** Register body temperature data, Register basal body temperature data, Data syncs to Health app, Manual data entry via phone

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThermoRegister Pro ver. | $0.99 | one-time |


### 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 ThermoRegisterPlus free?

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

### Is Thermometer Log free?

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

### Which has better reviews, ThermoRegisterPlus or Thermometer Log?

ThermoRegisterPlus is rated higher. ThermoRegisterPlus averages 5.0 out of 5 from 1 ratings, while Thermometer Log averages 4.8 from 6 ratings.

### Do ThermoRegisterPlus or Thermometer Log have ads?

Both ThermoRegisterPlus and Thermometer Log show ads.

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

ThermoRegisterPlus ships an update every 14 months, and Thermometer Log every 2 months. Most recently, ThermoRegisterPlus was updated on October 21, 2026 and Thermometer Log on October 10, 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.*