# SmartVUS zn vs UltraScan

The clearest difference is update cadence: UltraScan at every 3 weeks against SmartVUS zn's every 2 months. SmartVUS zn's advantage is iOS requirement (15.0 vs 18.0). 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.

SmartVUS zn ships an update every 2 months, UltraScan every 3 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SmartVUS zn | UltraScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 9 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SonopTek Co., Ltd.](https://appshunter.io/developer/1077612429) | [辉 李](https://appshunter.io/developer/1822692276) |

## What reviewers say

### SmartVUS zn

[App page](https://appshunter.io/ios/app/smartvus-zn/id1547566836)

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

**In-app purchases:** none


### UltraScan

[App page](https://appshunter.io/ios/app/ultrascan/id6747758057)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartVUS zn free?

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

### Is UltraScan free?

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

### Do SmartVUS zn or UltraScan have ads?

Neither SmartVUS zn nor UltraScan shows ads.

### Which is updated more often, SmartVUS zn or UltraScan?

SmartVUS zn ships an update every 2 months, and UltraScan every 3 weeks. Most recently, SmartVUS zn was updated on November 3, 2026 and UltraScan on October 28, 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.*