# Celsius Thermometer Plus vs Earthquake Alert Pro

The clearest difference is price: Celsius Thermometer Plus at Free against Earthquake Alert Pro's $1.99. Celsius Thermometer Plus also leads on iOS requirement (13 vs 17.0). Earthquake Alert Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Celsius Thermometer Plus is free to download; Earthquake Alert Pro costs $1.99 up front. Celsius Thermometer Plus sells 1 one-off in-app purchase. Earthquake Alert Pro asks for nothing beyond the download.

Celsius Thermometer Plus ships an update every 7 months, Earthquake Alert Pro fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Celsius Thermometer Plus | Earthquake Alert Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (54 ratings)](https://appshunter.io/ios/app/celsius-thermometer-plus/id537067563/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 2 MB |
| Requires iOS | **13** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Ayyub Najafzade](https://appshunter.io/developer/1865174279) |

## 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 |


### Earthquake Alert Pro

[App page](https://appshunter.io/ios/app/earthquake-alert-pro/id6757192402)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Celsius Thermometer Plus free?

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

### Is Earthquake Alert Pro free?

Earthquake Alert Pro costs $1.99, with no in-app purchases.

### Do Celsius Thermometer Plus or Earthquake Alert Pro have ads?

Celsius Thermometer Plus shows ads; Earthquake Alert Pro does not.

### Which is updated more often, Celsius Thermometer Plus or Earthquake Alert Pro?

Celsius Thermometer Plus ships an update every 7 months, and Earthquake Alert Pro fortnightly. Most recently, Celsius Thermometer Plus was updated on November 1, 2026 and Earthquake Alert Pro on October 31, 2026.

---

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