# FRIDAY周五牙医 vs 牙E通

The clearest difference is update cadence: 牙E通 at every 6 days against FRIDAY周五牙医's monthly. 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.

FRIDAY周五牙医 ships an update monthly, 牙E通 every 6 days. The most recent releases landed on September 7, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | FRIDAY周五牙医 | 牙E通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Size | 69 MB | 51 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Hangzhou Jarvis Medical Technologies Co., Ltd.](https://appshunter.io/developer/1420007188) | [南京通通健康科技有限公司](https://appshunter.io/developer/1603430367) |

## What reviewers say

### FRIDAY周五牙医

[App page](https://appshunter.io/ios/app/friday/id1508260075)

**In-app purchases:** none


### 牙E通

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FRIDAY周五牙医 free?

FRIDAY周五牙医 is free to download, with no in-app purchases.

### Is 牙E通 free?

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

### Do FRIDAY周五牙医 or 牙E通 have ads?

Neither FRIDAY周五牙医 nor 牙E通 shows ads.

### Which is updated more often, FRIDAY周五牙医 or 牙E通?

FRIDAY周五牙医 ships an update monthly, and 牙E通 every 6 days. Most recently, FRIDAY周五牙医 was updated on September 7, 2026 and 牙E通 on September 8, 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.*