# 威视佰科 vs 地震预警

The clearest difference is in-app purchases: 威视佰科 at none against 地震预警's 3. 威视佰科 also leads on device support and iOS requirement (9.0 vs 13.0). On price there is nothing between them.

Both are free to download. 地震预警 sells 3 in-app purchases, starting at $3.99 per 7 days. 威视佰科 asks for nothing beyond the download.

## The numbers

| Metric | 威视佰科 | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1587002779/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 78 MB | 143 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [VISPEK](https://appshunter.io/developer/1447793884) | [超 付](https://appshunter.io/developer/1839270906) |

## What reviewers say

### 威视佰科

[App page](https://appshunter.io/ios/app/id1587002779)

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

**In-app purchases:** none


### 地震预警

[App page](https://appshunter.io/ios/app/and/id6758761614)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $3.99 | per 7 days |
| 月会员 | $5.99 | per month |
| 年会员 | $14.99 | one-time |


## Frequently asked questions

### Is 威视佰科 free?

威视佰科 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.*