# 四有云 vs Converter

The clearest difference is ads: 四有云 at none against Converter's shown. 四有云 also leads on iOS requirement (12.0 vs 14.0). Converter's advantage is update cadence (weekly vs every 5 months). On price, 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.

四有云 ships an update every 5 months, Converter weekly. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 四有云 | Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (25 ratings)](https://appshunter.io/ios/app/converter-format-converter/id6469029505/reviews)** |
| Number of ratings | — | **25** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 170 MB | 71 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京及至奇点科技有限公司](https://appshunter.io/developer/1653088512) | [Huizhou Yimo Technology Co., Ltd.](https://appshunter.io/developer/1657083025) |

## What reviewers say

### 四有云

[App page](https://appshunter.io/ios/app/id6444207355)

**Features:** Vision Pro support

**In-app purchases:** none


### Converter

[App page](https://appshunter.io/ios/app/converter-format-converter/id6469029505)

Easily convert files between various formats, including images, audio, and video. Select your files, choose the desired output, and let the app handle the conversion. Supports batch processing and custom settings for advanced needs.

**Highlights:** Image format conversion, Audio format conversion, Video format conversion, Batch conversion, Custom settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 四有云 free?

四有云 is free to download, with no in-app purchases.

### Is Converter free?

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

### Do 四有云 or Converter have ads?

Converter shows ads; 四有云 does not.

### Which is updated more often, 四有云 or Converter?

四有云 ships an update every 5 months, and Converter weekly. Most recently, 四有云 was updated on October 30, 2026 and Converter on November 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*