# Celsius Thermometer Plus vs My Barometer and Altimeter

The clearest difference is update cadence: My Barometer and Altimeter at monthly against Celsius Thermometer Plus's every 7 months. My Barometer and Altimeter also leads on ratings volume (1.1K vs 54). Celsius Thermometer Plus's advantage is rating (4.7 vs 4.4) and monetization model (ad-supported vs free with in-app purchases). On price, review sentiment, 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 My Barometer and Altimeter sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Celsius Thermometer Plus holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: My Barometer and Altimeter has 1.1K ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 38% of Celsius Thermometer Plus's written reviews are positive against 31% of My Barometer and Altimeter's.

Celsius Thermometer Plus ships an update every 7 months, My Barometer and Altimeter monthly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Celsius Thermometer Plus | My Barometer and Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (54 ratings)](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563/reviews)** | [4.4 (1.1K ratings)](https://appshunter.io/ios/app/my-barometer-and-altimeter/id1457983372/reviews) |
| Number of ratings | 54 | **1.1K** |
| Positive reviews | **38.5% of reviews** | 31.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 67 MB |
| Requires iOS | **13** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) |

## 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 |


### My Barometer and Altimeter

[App page](https://appshunter.io/ios/app/my-barometer-and-altimeter/id1457983372)

This app provides real-time atmospheric pressure readings, elevation data, and comprehensive weather forecasts. It offers advanced features like pressure trend monitoring, customizable alerts, and a global pressure map for detailed analysis and planning.

**Highlights:** Instant Mean Sea Level Pressure, Ground Level Pressure, Advanced Pressure Forecasting, Monitor Pressure Trends, Comprehensive Weather Forecast, Precise Elevation Display, Interactive Pressure Map

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $0.99 | per month |
| Annual premium subscription | $8.49 | per year |

**What reviewers like**

- 👍 Excellent app
- 🚀 Simple and easy to use
- 🔍 Helpful for tracking barometric pressure
- 💡 Useful for chronic pain management

**What reviewers complain about**

- 🐛 Crashes and glitches after updates
- 🔍 Inaccurate or inconsistent readings
- 💰 Excessive ads and paywalls
- 🔄 Forced changes to user interface

**Reported bugs**

- App crashes on launch
- Widget not updating correctly
- Incorrect unit conversions
- Altitude data not working

**Requested features**

- Add calibration option
- Improve data visualization and trend tracking
- Provide ad-free paid version
- Restore previous user interface


## Frequently asked questions

### Is Celsius Thermometer Plus free?

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

### Is My Barometer and Altimeter free?

My Barometer and Altimeter is free to download, with in-app purchases available.

### Which has better reviews, Celsius Thermometer Plus or My Barometer and Altimeter?

Celsius Thermometer Plus is rated higher. Celsius Thermometer Plus averages 4.7 out of 5 from 54 ratings, while My Barometer and Altimeter averages 4.4 from 1.1K ratings.

### Do Celsius Thermometer Plus or My Barometer and Altimeter have ads?

Both Celsius Thermometer Plus and My Barometer and Altimeter show ads.

### Which is updated more often, Celsius Thermometer Plus or My Barometer and Altimeter?

Celsius Thermometer Plus ships an update every 7 months, and My Barometer and Altimeter monthly. Most recently, Celsius Thermometer Plus was updated on November 1, 2026 and My Barometer and Altimeter on October 29, 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.*