# Celsius Thermometer Plus vs The Thermometer

The clearest difference is update cadence: The Thermometer at monthly against Celsius Thermometer Plus's every 7 months. The Thermometer also leads on review sentiment (54% vs 38%) and ratings volume (564 vs 54). Celsius Thermometer Plus's advantage is monetization model (ad-supported vs freemium) and iOS requirement (13 vs 15.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Celsius Thermometer Plus sells 1 one-off in-app purchase and The Thermometer sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Celsius Thermometer Plus against 4.7 for The Thermometer. That said, the two scores are not equally well evidenced: The Thermometer has 564 ratings behind it against 54, so its average is the more settled of the two. Written reviews are what separate them: 38% of Celsius Thermometer Plus's written reviews are positive against 54% of The Thermometer's.

Celsius Thermometer Plus ships an update every 7 months, The Thermometer monthly. Both last shipped on September 22, 2026.

## The numbers

| Metric | Celsius Thermometer Plus | The Thermometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (54 ratings)](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563/reviews) | [4.7 (564 ratings)](https://appshunter.io/ios/app/the-thermometer-digital/id6450627697/reviews) |
| Number of ratings | 54 | **564** |
| Positive reviews | 38.5% of reviews | **53.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 11 MB | 62 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Vida Apps Incorporated](https://appshunter.io/developer/1580682451) |

## What reviewers say

### Celsius Thermometer Plus

[App page](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563)

This app measures ambient temperature using GPS and displays it in Celsius, with a converter to Fahrenheit. It also includes a barometer and sunrise/sunset times. Useful for checking outdoor conditions and planning outfits.

**Highlights:** Ambient temperature measurement via GPS, Celsius to Fahrenheit conversion calculator, Barometric pressure sensor function, Sunrise and sunset time display, Temperature badge indicator

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### The Thermometer

[App page](https://appshunter.io/ios/app/the-thermometer-digital/id6450627697)

This app functions as a digital thermometer and hygrometer, displaying outdoor temperature and humidity for any location worldwide. It offers real-time updates, customizable colors, and unit selection. A premium plan adds multi-location saving and removes ads.

**Highlights:** Outdoor temperature and humidity display, Real-time automatic updates, Global location data, Customizable color schemes, Celsius/Fahrenheit selection, Save multiple locations (Premium)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads - 1 Month | $1.99 | per month |
| Premium Plan - 1 Month | $4.99 | per month |
| No Ads - 1 Year | $19.99 | per year |
| Premium Plan - 1 Year | $49.99 | per year |


## Frequently asked questions

### Is Celsius Thermometer Plus free?

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

### Is The Thermometer free?

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

### Which has better reviews, Celsius Thermometer Plus or The Thermometer?

Celsius Thermometer Plus and The Thermometer are both rated 4.7 out of 5 on the App Store, from 54 and 564 ratings respectively.

### Do Celsius Thermometer Plus or The Thermometer have ads?

Both Celsius Thermometer Plus and The Thermometer show ads.

### Which is updated more often, Celsius Thermometer Plus or The Thermometer?

Celsius Thermometer Plus ships an update every 7 months, and The Thermometer monthly. Most recently, Celsius Thermometer Plus was updated on September 22, 2026 and The Thermometer on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*