# 西莫 vs 多云教研室

The clearest difference is update cadence: 多云教研室 at every 8 months against 西莫's every 47 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.

西莫 ships an update every 47 months, 多云教研室 every 8 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 西莫 | 多云教研室 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 8 months** |
| Size | 98 MB | 97 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [琦 孙](https://appshunter.io/developer/1554264099) | [阳 高](https://appshunter.io/developer/1503296978) |

## What reviewers say

### 西莫

[App page](https://appshunter.io/ios/app/id1554701060)

**Features:** macOS Compatibility

**In-app purchases:** none


### 多云教研室

[App page](https://appshunter.io/ios/app/plus/id1588049570)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 西莫 free?

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

### Is 多云教研室 free?

多云教研室 is free to download, with no in-app purchases.

### Do 西莫 or 多云教研室 have ads?

Neither 西莫 nor 多云教研室 shows ads.

### Which is updated more often, 西莫 or 多云教研室?

西莫 ships an update every 47 months, and 多云教研室 every 8 months. Most recently, 西莫 was updated on September 19, 2026 and 多云教研室 on September 8, 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.*