# 咖博士云服务 vs PowerMJ

The clearest difference is update cadence: PowerMJ at every 4 days against 咖博士云服务's every 3 weeks. 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.

咖博士云服务 ships an update every 3 weeks, PowerMJ every 4 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 咖博士云服务 | PowerMJ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 41 MB | 87 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Suzhou ChisalSoft Technology Co., Ltd.](https://appshunter.io/developer/786990357) | [Shanghai Power Science&Technology Co., Ltd.](https://appshunter.io/developer/1463907329) |

## What reviewers say

### 咖博士云服务

[App page](https://appshunter.io/ios/app/id6479585294)

**In-app purchases:** none


### PowerMJ

[App page](https://appshunter.io/ios/app/powermj/id6738763443)

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

**In-app purchases:** none


## Frequently asked questions

### Is 咖博士云服务 free?

咖博士云服务 is free to download, with no in-app purchases.

### Is PowerMJ free?

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

### Do 咖博士云服务 or PowerMJ have ads?

Neither 咖博士云服务 nor PowerMJ shows ads.

### Which is updated more often, 咖博士云服务 or PowerMJ?

咖博士云服务 ships an update every 3 weeks, and PowerMJ every 4 days. Most recently, 咖博士云服务 was updated on October 18, 2026 and PowerMJ on October 7, 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.*