# iThermometer vs 地震预警

The clearest difference is in-app purchases: iThermometer at none against 地震预警's 1. iThermometer also leads on iOS requirement (8.0 vs 12.0). 地震预警's advantage is device support. On price there is nothing between them.

Both are free to download. 地震预警 sells 1 one-off in-app purchase. iThermometer asks for nothing beyond the download.

## The numbers

| Metric | iThermometer | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 weeks |
| Size | 4 MB | 42 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [long yang](https://appshunter.io/developer/1014508193) | [进 高](https://appshunter.io/developer/1857882638) |

## What reviewers say

### iThermometer

[App page](https://appshunter.io/ios/app/ithermometer/id1227136109)

**In-app purchases:** none


### 地震预警

[App page](https://appshunter.io/ios/app/id6758199723)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $2.99 | one-time |


## Frequently asked questions

### Is iThermometer free?

iThermometer is free to download, with no in-app purchases.

### Is 地震预警 free?

地震预警 is free to download, with in-app purchases available.

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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.*