# 51清理大师 vs Strong Cleaner

The clearest difference is ads: 51清理大师 at none against Strong Cleaner's shown. Strong Cleaner's advantage is update cadence (every 3 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

51清理大师 ships an update every 4 months, Strong Cleaner every 3 weeks. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 51清理大师 | Strong Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/strong-cleaner/id1535458297/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 73.9% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Ad-supported |
| Size | 44 MB | 17 MB |
| Requires iOS | 11.0 | **10.3** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小婷 钟](https://appshunter.io/developer/1487006779) | [Xiamen Infinity Starway Technology Co., Ltd.](https://appshunter.io/developer/1513518856) |

## What reviewers say

### 51清理大师

[App page](https://appshunter.io/ios/app/51/id1533940396)

**Features:** macOS Compatibility

**In-app purchases:** none


### Strong Cleaner

[App page](https://appshunter.io/ios/app/strong-cleaner/id1535458297)

This utility app intelligently scans and cleans your iPhone's photos, videos, contacts, and calendar entries. It helps you manage your device by identifying duplicates, large files, and outdated information, providing clear device status updates.

**Highlights:** Intelligent photo and video scanning, Duplicate and similar photo detection, Large video file identification, Contact and calendar cleanup, Device information display, Data deletion warning

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

**In-app purchases:** none


## Frequently asked questions

### Is 51清理大师 free?

51清理大师 is free to download, with no in-app purchases.

### Is Strong Cleaner free?

Strong Cleaner is free to download, with no in-app purchases.

### Do 51清理大师 or Strong Cleaner have ads?

Strong Cleaner shows ads; 51清理大师 does not.

### Which is updated more often, 51清理大师 or Strong Cleaner?

51清理大师 ships an update every 4 months, and Strong Cleaner every 3 weeks. Most recently, 51清理大师 was updated on October 10, 2026 and Strong Cleaner on October 28, 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.*