# Dr.Clear Aligner vs SkyUS

The clearest difference is update cadence: Dr.Clear Aligner at every 3 weeks against SkyUS's every 2 months. Dr.Clear Aligner also leads on iOS requirement (9.0 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.

Dr.Clear Aligner ships an update every 3 weeks, SkyUS every 2 months. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Dr.Clear Aligner | SkyUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 73 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Clear Medical Technology Co. Ltd](https://appshunter.io/developer/1447603334) | [Mytech Intelligence (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1602485712) |

## What reviewers say

### Dr.Clear Aligner

[App page](https://appshunter.io/ios/app/drclear-aligner/id1544211178)

**Features:** macOS Compatibility

**In-app purchases:** none


### SkyUS

[App page](https://appshunter.io/ios/app/skyus/id1602485710)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dr.Clear Aligner free?

Dr.Clear Aligner is free to download, with no in-app purchases.

### Is SkyUS free?

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

### Do Dr.Clear Aligner or SkyUS have ads?

Neither Dr.Clear Aligner nor SkyUS shows ads.

### Which is updated more often, Dr.Clear Aligner or SkyUS?

Dr.Clear Aligner ships an update every 3 weeks, and SkyUS every 2 months. Most recently, Dr.Clear Aligner was updated on September 23, 2026 and SkyUS on October 2, 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.*