# 牙E通 vs IOOELI

The clearest difference is update cadence: 牙E通 at every 6 days against IOOELI's every 6 weeks. 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.

牙E通 ships an update every 6 days, IOOELI every 6 weeks. The most recent releases landed on September 8, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | 牙E通 | IOOELI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Size | 51 MB | 144 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [南京通通健康科技有限公司](https://appshunter.io/developer/1603430367) | [Hangzhou ChohoTech Co., Ltd.](https://appshunter.io/developer/1615167118) |

## What reviewers say

### 牙E通

[App page](https://appshunter.io/ios/app/e/id1603430365)

**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 牙E通 free?

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

### Is IOOELI free?

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

### Do 牙E通 or IOOELI have ads?

Neither 牙E通 nor IOOELI shows ads.

### Which is updated more often, 牙E通 or IOOELI?

牙E通 ships an update every 6 days, and IOOELI every 6 weeks. Most recently, 牙E通 was updated on September 8, 2026 and IOOELI on May 19, 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.*