# 牙医帮 vs 2688

The clearest difference is update cadence: 2688 at fortnightly against 牙医帮'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.

牙医帮 ships an update every 6 weeks, 2688 fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | 牙医帮 | 2688 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 86 MB | 90 MB |
| Requires iOS | 15 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [湖南牙医帮科技有限公司](https://appshunter.io/developer/1086438383) | [贰六巴巴(杭州)齿科器械有限公司](https://appshunter.io/developer/1826952805) |

## What reviewers say

### 牙医帮

[App page](https://appshunter.io/ios/app/id1354883532)

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

**In-app purchases:** none


### 2688

[App page](https://appshunter.io/ios/app/2688/id6748672090)

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

**In-app purchases:** none


## Frequently asked questions

### Is 牙医帮 free?

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

### Is 2688 free?

2688 is free to download, with no in-app purchases.

### Do 牙医帮 or 2688 have ads?

Neither 牙医帮 nor 2688 shows ads.

### Which is updated more often, 牙医帮 or 2688?

牙医帮 ships an update every 6 weeks, and 2688 fortnightly. Most recently, 牙医帮 was updated on October 24, 2026 and 2688 on October 24, 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.*