# 云牙 vs FRIDAY周五牙医

云牙 and FRIDAY周五牙医 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

云牙 ships an update fortnightly, FRIDAY周五牙医 monthly. The most recent releases landed on November 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 云牙 | FRIDAY周五牙医 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 10 MB | 69 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, 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 Jarvis Medical Technologies Co., Ltd.](https://appshunter.io/developer/1420007188) |

## What reviewers say

### 云牙

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

**Features:** macOS Compatibility

**In-app purchases:** none


### FRIDAY周五牙医

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

**In-app purchases:** none


## Frequently asked questions

### Is 云牙 free?

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

### Is FRIDAY周五牙医 free?

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

### Do 云牙 or FRIDAY周五牙医 have ads?

Neither 云牙 nor FRIDAY周五牙医 shows ads.

### Which is updated more often, 云牙 or FRIDAY周五牙医?

云牙 ships an update fortnightly, and FRIDAY周五牙医 monthly. Most recently, 云牙 was updated on November 2, 2026 and FRIDAY周五牙医 on September 23, 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.*