# 友开发 vs E

The clearest difference is update cadence: 友开发 at every 2 months against E's every 4 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.

友开发 ships an update every 2 months, E every 4 months. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 友开发 | E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 88 MB | 76 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Yonyou Network Technology Co., Ltd](https://appshunter.io/developer/446060994) | [杭州起策软件有限公司](https://appshunter.io/developer/1764893002) |

## What reviewers say

### 友开发

[App page](https://appshunter.io/ios/app/id6445975079)

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e/id6739605735)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 友开发 free?

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

### Is E free?

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

### Do 友开发 or E have ads?

Neither 友开发 nor E shows ads.

### Which is updated more often, 友开发 or E?

友开发 ships an update every 2 months, and E every 4 months. Most recently, 友开发 was updated on September 10, 2026 and E on September 13, 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.*