# Celsius Thermometer Plus vs Thermo

Celsius Thermometer Plus and Thermo both sit at 4.7 stars, but that hides the real split: 87% of Thermo's written reviews are positive against 38% of Celsius Thermometer Plus's. Thermo also leads on update cadence (fortnightly vs every 7 months). Celsius Thermometer Plus's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (13 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Celsius Thermometer Plus sells 1 one-off in-app purchase and Thermo sells 10 in-app purchases, starting at $1.09 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 4.6 for Thermo. Both are backed by a comparable volume of ratings — 54 and 129 respectively. Written reviews are what separate them: 38% of Celsius Thermometer Plus's written reviews are positive against 87% of Thermo's.

Celsius Thermometer Plus ships an update every 7 months, Thermo fortnightly. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Celsius Thermometer Plus | Thermo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (54 ratings)](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563/reviews)** | [4.6 (129 ratings)](https://appshunter.io/ios/app/thermo-live-thermometer/id1197885834/reviews) |
| Number of ratings | 54 | **129** |
| Positive reviews | 38.5% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 144 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Stolanapp](https://appshunter.io/developer/1833017712) |

## 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 |


### Thermo

[App page](https://appshunter.io/ios/app/thermo-live-thermometer/id1197885834)

Get real-time outdoor temperature and detailed weather data for your current location or any city worldwide. Features include an interactive map, humidity, 'feels like' temperature, forecasts, smart alerts, and home screen widgets.

**Highlights:** Live temperature updates, Interactive temperature map, Humidity and 'feels like' data, Daily and 7-day forecasts, Smart weather alerts, Home screen widgets

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thermometer Premium | $1.09 | per month |
| Thermometer Premium | $1.19 | per 7 days |
| Thermometer Premium | $2.29 | per month |
| Thermometer Premium | $3.49 | per 7 days |
| Thermometer Premium Discount | $3.99 | per year |
| Thermometer Premium | $4.99 | per month |
| Thermometer Premium | $5.49 | per year |
| Thermometer Premium | $11.49 | per year |
| Thermometer Premium | $11.49 | per year |
| Thermometer Premium | $21.49 | per year |

**What reviewers like**

- 👍 Accurate outdoor temperature
- 👍 Easy to use
- 👍 Precise location
- 👍 Good design
- 👍 Reliable

**What reviewers complain about**

- 🐛 Does not measure indoor temperature
- 🐛 Inconsistent accuracy
- 🐛 Paid version required for some features
- 🐛 App not working
- 🐛 Paid subscription not working

**Reported bugs**

- App not working
- Paid subscription not working
- Inconsistent accuracy
- Reads -20 C incorrectly
- Quit working

**Requested features**

- Measure indoor temperature
- Add an analog clock
- Add a clock
- Allow tapping locations on a map
- Measure in-house temperature as well


## Frequently asked questions

### Is Celsius Thermometer Plus free?

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

### Is Thermo free?

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

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

Celsius Thermometer Plus is rated higher. Celsius Thermometer Plus averages 4.7 out of 5 from 54 ratings, while Thermo averages 4.6 from 129 ratings.

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

Both Celsius Thermometer Plus and Thermo show ads.

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

Celsius Thermometer Plus ships an update every 7 months, and Thermo fortnightly. Most recently, Celsius Thermometer Plus was updated on October 22, 2026 and Thermo on October 19, 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.*