# Thermometer S vs Thermometer

The clearest difference is in-app purchases: Thermometer S at none against Thermometer's 4. Thermometer S also leads on rating (5.0 vs 4.7). Thermometer's advantage is ratings volume (28 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thermometer sells 4 one-off in-app purchases. Thermometer S asks for nothing beyond the download.

Thermometer S holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Thermometer has 28 ratings behind it against 1, so its average is the more settled of the two.

Thermometer S ships an update every 4 weeks, Thermometer every 5 weeks. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Thermometer S | Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thermometer-s/id1511271470/reviews)** | [4.7 (28 ratings)](https://appshunter.io/ios/app/thermometer-plus/id1568977443/reviews) |
| Number of ratings | 1 | **28** |
| Positive reviews | — | 81.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 62 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Akira Yamamoto](https://appshunter.io/developer/1401669011) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### Thermometer S

[App page](https://appshunter.io/ios/app/thermometer-s/id1511271470)

Monitor your environment's temperature and humidity with this app. It provides clear, easy-to-read data for health management, preventing heatstroke and colds, and mold prevention. Customize the display to show only the information you need.

**Highlights:** Large, clear temperature display, Humidity, precipitation, wind speed, and air pressure, Sensor-based or internet weather data, Customizable information display, Celsius/Fahrenheit unit switching, Simple, user-friendly design

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

**In-app purchases:** none


### Thermometer

[App page](https://appshunter.io/ios/app/thermometer-plus/id1568977443)

Displays real-time outdoor temperature, sensible temperature, humidity, and barometric pressure based on your current location. Get accurate meteorological data from nearby stations to plan your day.

**Highlights:** Outdoor temperature display, Sensible temperature, Humidity readings, Barometric pressure, Wind speed and direction, Location-based data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| 開発者応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is Thermometer S free?

Thermometer S is free to download, with no in-app purchases.

### Is Thermometer free?

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

### Which has better reviews, Thermometer S or Thermometer?

Thermometer S is rated higher. Thermometer S averages 5.0 out of 5 from 1 ratings, while Thermometer averages 4.7 from 28 ratings.

### Do Thermometer S or Thermometer have ads?

Both Thermometer S and Thermometer show ads.

### Which is updated more often, Thermometer S or Thermometer?

Thermometer S ships an update every 4 weeks, and Thermometer every 5 weeks. Most recently, Thermometer S was updated on September 8, 2026 and Thermometer on September 22, 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.*