# OUcare vs Thermometer Log

The clearest difference is rating: Thermometer Log at 4.8 against OUcare's 1.8. Thermometer Log also leads on review sentiment (50% vs 17%). OUcare'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. OUcare asks for nothing beyond the download.

Thermometer Log holds the better App Store score, 4.8 against 1.8. That said, the two scores are not equally well evidenced: OUcare has 32 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 17% of OUcare'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 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OUcare | Thermometer Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (32 ratings)](https://appshunter.io/ios/app/oucare/id479444868/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/thermometer-log/id1546929547/reviews)** |
| Number of ratings | **32** | 6 |
| Positive reviews | 17.4% 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 | 204 MB | 6 MB |
| Requires iOS | **12** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OUcare Store](https://appshunter.io/developer/572458251) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### OUcare

[App page](https://appshunter.io/ios/app/oucare/id479444868)

This app helps you monitor blood pressure and body temperature, tracking historical records and providing graph analysis. It's a healthcare management tool for daily health tracking, but does not provide medical advice.

**Highlights:** Blood pressure monitoring, Temperature tracking, Heart rate measurement, Historical record tracking, Graph analysis, Healthcare management

**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 OUcare free?

OUcare 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, OUcare or Thermometer Log?

Thermometer Log is rated higher. OUcare averages 1.8 out of 5 from 32 ratings, while Thermometer Log averages 4.8 from 6 ratings.

### Do OUcare or Thermometer Log have ads?

Thermometer Log shows ads; OUcare does not.

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

OUcare ships an update every 2 months, and Thermometer Log every 2 months. Most recently, OUcare was updated on July 6, 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.*