# Thermometer Log vs Cuspart

The clearest difference is rating: Cuspart at 5.0 against Thermometer Log's 4.8. Thermometer Log's advantage is ratings volume (6 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Thermometer Log sells 1 one-off in-app purchase and Cuspart sells 10 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Cuspart 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Thermometer Log | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/thermometer-log/id1546929547/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-fever-tracker/id6504569510/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 31 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### 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 |


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-fever-tracker/id6504569510)

Easily log and track body temperature, pulse, and mood to gain clear insights into your health. Visualize trends with intuitive charts and generate professional reports for your doctor. All your health data stays private on your device.

**Highlights:** Body temperature logging with location, Pulse and heart rate tracking, Mood tracking, Personal notes for context, Visual trend charts, PDF/CSV report generation, Offline access

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 3 Month Subscription | $2.99 | per 3 months |
| 12 Month Subscription | $6.99 | per year |
| Upgrade to Pro | $0.99 | one-time |
| Espresso | $1.49 | one-time |
| Flat White | $1.99 | one-time |
| Caffè Americano | $2.49 | one-time |
| Caffè Mocha | $2.99 | one-time |
| Classic Hot Chocolate | $3.49 | one-time |
| Special Hot Chocolate | $3.99 | one-time |


## Frequently asked questions

### Is Thermometer Log free?

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

### Is Cuspart free?

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

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

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

### Do Thermometer Log or Cuspart have ads?

Both Thermometer Log and Cuspart show ads.

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

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