# Ortholink优领 vs FRIDAY周五牙医

The clearest difference is update cadence: FRIDAY周五牙医 at monthly against Ortholink优领's every 2 months. FRIDAY周五牙医 also leads on iOS requirement (12.0 vs 15.0). 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.

Ortholink优领 ships an update every 2 months, FRIDAY周五牙医 monthly. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Ortholink优领 | FRIDAY周五牙医 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 47 MB | 69 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [杭州一牙数字口腔有限公司](https://appshunter.io/developer/1258427021) | [Hangzhou Jarvis Medical Technologies Co., Ltd.](https://appshunter.io/developer/1420007188) |

## What reviewers say

### Ortholink优领

[App page](https://appshunter.io/ios/app/ortholink/id1473570948)

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

**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 Ortholink优领 free?

Ortholink优领 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 Ortholink优领 or FRIDAY周五牙医 have ads?

Neither Ortholink优领 nor FRIDAY周五牙医 shows ads.

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

Ortholink优领 ships an update every 2 months, and FRIDAY周五牙医 monthly. Most recently, Ortholink优领 was updated on September 9, 2026 and FRIDAY周五牙医 on September 7, 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.*