# E vs 云上风电

The clearest difference is update cadence: 云上风电 at monthly against E's every 4 months. 云上风电 also leads on device support. On price, in-app purchases 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.

E ships an update every 4 months, 云上风电 monthly. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | E | 云上风电 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 20 MB | 60 MB |
| Requires iOS | 13 | **12.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [EBM-PAPST Ventilator(Shanghai)Co.,Ltd.](https://appshunter.io/developer/1587559121) | [Beijing Mailang Technology Co., Ltd](https://appshunter.io/developer/1515643710) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-platform/id1587559119)

**In-app purchases:** none


### 云上风电

[App page](https://appshunter.io/ios/app/id1601186352)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is 云上风电 free?

云上风电 is free to download, with no in-app purchases.

### Which is updated more often, E or 云上风电?

E ships an update every 4 months, and 云上风电 monthly. Most recently, E was updated on September 18, 2026 and 云上风电 on September 22, 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.*