# Thermometer S vs Thermometer

The clearest difference is rating: Thermometer S at 5.0 against Thermometer's 3.9. Thermometer S also leads on in-app purchases (none vs 2) and iOS requirement (15.0 vs 17.0). Thermometer's advantage is ads (none vs shown) and ratings volume (77 vs 1). On price and device support there is nothing between them.

Both are free to download. Thermometer sells 2 in-app purchases, starting at $1.99 per month. Thermometer S asks for nothing beyond the download.

Thermometer S holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Thermometer has 77 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 9 days. The most recent releases landed on October 29, 2026 and October 31, 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)** | [3.9 (77 ratings)](https://appshunter.io/ios/app/thermometer-digital-room/id6761693641/reviews) |
| Number of ratings | 1 | **77** |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Best chart rank | — | **#187** |
| Size | 31 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Akira Yamamoto](https://appshunter.io/developer/1401669011) | [Tirin](https://appshunter.io/developer/1665717789) |

## 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-digital-room/id6761693641)

**Currently charting:** #187 Top Free · Weather (US App Store)

This app transforms your smartphone into a precise digital thermometer. It displays real-time indoor room temperature, outdoor weather, and humidity levels with a classic retro interface. Customize themes and switch between Celsius and Fahrenheit for easy climate monitoring.

**Highlights:** Real-time room temperature, Outdoor weather updates, Indoor humidity monitoring, Detailed climate data (Max/Min temps), Retro digital LCD design, Customizable color themes, Celsius and Fahrenheit support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Thermometer Monthly | $1.99 | per month |
| Digital Thermometer Lifetime | $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 3.9 from 77 ratings.

### Do Thermometer S or Thermometer have ads?

Thermometer S shows ads; Thermometer does not.

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

Thermometer S ships an update every 4 weeks, and Thermometer every 9 days. Most recently, Thermometer S was updated on October 29, 2026 and Thermometer on October 31, 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.*