# 地震预警 vs MOON

The clearest difference is device support: MOON at 2 against 地震预警's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 地震预警 sells 3 in-app purchases, starting at $9.99 per month and MOON sells 1 in-app purchase, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 地震预警 | MOON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 days |
| Size | 21 MB | 129 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [安慧 刘](https://appshunter.io/developer/1716870183) | [淞阁 于](https://appshunter.io/developer/1717419442) |

## What reviewers say

### 地震预警

[App page](https://appshunter.io/ios/app/and/id6474590177)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月享会员 | $9.99 | per month |
| 季享会员 | $29.99 | per 3 months |
| 年享会员 | $39.99 | per year |


### MOON

[App page](https://appshunter.io/ios/app/moon-and/id6476828985)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年度会员 | $29.99 | per year |


## Frequently asked questions

### Is 地震预警 free?

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

### Is MOON free?

MOON 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.*