# 品控管家 vs 地震预警

The clearest difference is in-app purchases: 品控管家 at none against 地震预警's 1. 品控管家 also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

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

品控管家 ships an update weekly, 地震预警 every 2 weeks. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 品控管家 | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 27 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [品控管家(成都)工程管理有限公司](https://appshunter.io/developer/1820088224) | [安波 张](https://appshunter.io/developer/1582565166) |

## What reviewers say

### 品控管家

[App page](https://appshunter.io/ios/app/id6747154013)

**Features:** macOS Compatibility

**In-app purchases:** none


### 地震预警

[App page](https://appshunter.io/ios/app/and/id6751939807)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 地震预警会员 | $5.99 | one-time |


## Frequently asked questions

### Is 品控管家 free?

品控管家 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.

### Do 品控管家 or 地震预警 have ads?

Neither 品控管家 nor 地震预警 shows ads.

### Which is updated more often, 品控管家 or 地震预警?

品控管家 ships an update weekly, and 地震预警 every 2 weeks. Most recently, 品控管家 was updated on October 21, 2026 and 地震预警 on October 4, 2026.

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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.*