# SmartVUS zn vs SonoMe Pro

The clearest difference is iOS requirement: SonoMe Pro at 11.0 against SmartVUS zn's 15.0. On price, update cadence, ads and in-app purchases 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, SonoMe Pro every 4 months. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | SmartVUS zn | SonoMe Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 9 MB | 7 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [SonopTek Co, Ltd.](https://appshunter.io/developer/1077612429) | [Bionet CO.,LTD](https://appshunter.io/developer/1526082887) |

## What reviewers say

### SmartVUS zn

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

**Features:** macOS Compatibility

**In-app purchases:** none


### SonoMe Pro

[App page](https://appshunter.io/ios/app/sonome-pro/id1664321557)

**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 SonoMe Pro free?

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

### Do SmartVUS zn or SonoMe Pro have ads?

Neither SmartVUS zn nor SonoMe Pro shows ads.

### Which is updated more often, SmartVUS zn or SonoMe Pro?

SmartVUS zn ships an update every 2 months, and SonoMe Pro every 4 months. Most recently, SmartVUS zn was updated on September 25, 2026 and SonoMe Pro on September 11, 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.*