# 贝贝 vs 地震预警

The clearest difference is in-app purchases: 贝贝 at none against 地震预警's 1. 贝贝 also leads on device support. 地震预警's advantage is iOS requirement (11.0 vs 15.1). On price there is nothing between them.

Both are free to download. 地震预警 sells 1 in-app purchase, starting at $1.99 per 7 days. 贝贝 asks for nothing beyond the download.

## The numbers

| Metric | 贝贝 | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Size | 19 MB | 47 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [雅威软件](https://appshunter.io/developer/1460759103) | [统华 许](https://appshunter.io/developer/1698732797) |

## What reviewers say

### 贝贝

[App page](https://appshunter.io/ios/app/id1465550635)

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

**In-app purchases:** none


### 地震预警

[App page](https://appshunter.io/ios/app/id6464006118)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地震预警-应急安全监测系统尊贵会员 | $1.99 | per 7 days |


## Frequently asked questions

### Is 贝贝 free?

贝贝 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.*