# M vs 百望云

The clearest difference is update cadence: 百望云 at every 2 months against M's every 38 months. 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.

M ships an update every 38 months, 百望云 every 2 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | M | 百望云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 months** |
| Size | 14 MB | 37 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [上海思顶信息科技有限公司](https://appshunter.io/developer/1225189098) | [Best Wonder Co.,Ltd.](https://appshunter.io/developer/1087276294) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-imp/id1225189099)

**Features:** macOS Compatibility

**In-app purchases:** none


### 百望云

[App page](https://appshunter.io/ios/app/id1383743990)

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is 百望云 free?

百望云 is free to download, with no in-app purchases.

### Do M or 百望云 have ads?

Neither M nor 百望云 shows ads.

### Which is updated more often, M or 百望云?

M ships an update every 38 months, and 百望云 every 2 months. Most recently, M was updated on November 2, 2026 and 百望云 on November 6, 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.*