# 清理大师 vs 查农证

The clearest difference is device support: 查农证 at 3 against 清理大师's —. 清理大师's advantage is iOS requirement (12.0 vs 15.6). On in-app purchases there is nothing between them.

## The numbers

| Metric | 清理大师 | 查农证 |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | **[4.4 (615 ratings)](https://appshunter.io/ios/app/id6475661058/reviews)** | — |
| Number of ratings | **615** | — |
| Positive reviews | 15.8% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Monetization | Free | — |
| Size | 21 MB | 3 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [持兵 刘](https://appshunter.io/developer/1707476945) | [经 唐](https://appshunter.io/developer/1854607153) |

## What reviewers say

### 清理大师

[App page](https://appshunter.io/ios/app/id6475661058)

This app helps you organize your smartphone storage by identifying and managing screenshots, similar images, large files, and duplicate videos. It also offers features for contact backup, photo restoration, and security management to block unwanted calls and messages.

**Highlights:** Scan and manage screenshots, Identify and delete similar photos, Find and remove large videos, Compress image file sizes, Backup contacts, AI photo restoration, Block unwanted calls and messages

**In-app purchases:** none


### 查农证

[App page](https://appshunter.io/ios/app/id6778256149)

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

**In-app purchases:** none


## Frequently asked questions

### Is 清理大师 free?

Pricing for 清理大师 is not currently listed on the App Store.

### Is 查农证 free?

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

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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.*