# K vs SonnexTech

The clearest difference is device support: SonnexTech at 3 against K's —. K's advantage is iOS requirement (11.0 vs 14.0). On price 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.

## The numbers

| Metric | K | SonnexTech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Size | 33 MB | 98 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kstar Science & Technology Co., Ltd.](https://appshunter.io/developer/1460236605) | [Sonnex Energie GmbH](https://appshunter.io/developer/1736462787) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-spc/id6471654494)

**In-app purchases:** none


### SonnexTech

[App page](https://appshunter.io/ios/app/sonnextech/id6479600876)

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is SonnexTech free?

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

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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.*