# 云牙 vs IOOELI

The clearest difference is update cadence: 云牙 at fortnightly against IOOELI's every 6 weeks. 云牙 also leads on iOS requirement (11.0 vs 13.0). 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.

云牙 ships an update fortnightly, IOOELI every 6 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 云牙 | IOOELI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 10 MB | 144 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [上海云牙医疗信息科技有限公司杭州分公司](https://appshunter.io/developer/1136494282) | [Hangzhou ChohoTech Co., Ltd.](https://appshunter.io/developer/1615167118) |

## What reviewers say

### 云牙

[App page](https://appshunter.io/ios/app/id1187806805)

**Features:** macOS Compatibility

**In-app purchases:** none


### IOOELI

[App page](https://appshunter.io/ios/app/iooeli/id6505045263)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 云牙 free?

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

### Is IOOELI free?

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

### Do 云牙 or IOOELI have ads?

Neither 云牙 nor IOOELI shows ads.

### Which is updated more often, 云牙 or IOOELI?

云牙 ships an update fortnightly, and IOOELI every 6 weeks. Most recently, 云牙 was updated on November 2, 2026 and IOOELI on October 27, 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.*