# 优托邦 vs izuozan

The clearest difference is update cadence: 优托邦 at every 3 weeks against izuozan's every 12 months. 优托邦 also leads on iOS requirement (11.0 vs 15.0). 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.

优托邦 ships an update every 3 weeks, izuozan every 12 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 优托邦 | izuozan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Size | 39 MB | 95 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [广州高维网络科技有限公司](https://appshunter.io/developer/1330532341) | [ChengDu Pengta Network Technology Co.Ltd](https://appshunter.io/developer/1269440615) |

## What reviewers say

### 优托邦

[App page](https://appshunter.io/ios/app/u/id1533227020)

**Features:** macOS Compatibility

**In-app purchases:** none


### izuozan

[App page](https://appshunter.io/ios/app/izuozan/id6445960446)

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

**In-app purchases:** none


## Frequently asked questions

### Is 优托邦 free?

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

### Is izuozan free?

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

### Do 优托邦 or izuozan have ads?

Neither 优托邦 nor izuozan shows ads.

### Which is updated more often, 优托邦 or izuozan?

优托邦 ships an update every 3 weeks, and izuozan every 12 months. Most recently, 优托邦 was updated on October 12, 2026 and izuozan on October 25, 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.*