# 常客云 vs 小当易换

The clearest difference is update cadence: 小当易换 at every 8 days against 常客云's monthly. 小当易换 also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

常客云 ships an update monthly, 小当易换 every 8 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 常客云 | 小当易换 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Size | 76 MB | 78 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenyang Yiming Telecommunication Service Co., Ltd.](https://appshunter.io/developer/978996804) | [Chongqing Danghuan Network Technology Co., Ltd.](https://appshunter.io/developer/1676031799) |

## What reviewers say

### 常客云

[App page](https://appshunter.io/ios/app/id1459830971)

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

**In-app purchases:** none


### 小当易换

[App page](https://appshunter.io/ios/app/id6474163985)

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

**In-app purchases:** none


## Frequently asked questions

### Is 常客云 free?

常客云 is free to download, with no in-app purchases.

### Is 小当易换 free?

小当易换 is free to download, with no in-app purchases.

### Do 常客云 or 小当易换 have ads?

Neither 常客云 nor 小当易换 shows ads.

### Which is updated more often, 常客云 or 小当易换?

常客云 ships an update monthly, and 小当易换 every 8 days. Most recently, 常客云 was updated on October 9, 2026 and 小当易换 on October 24, 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.*