# Teknical vs ZeroFox PSI

The clearest difference is device support: ZeroFox PSI at 3 against Teknical's —. Teknical's advantage is iOS requirement (12.4 vs 15.6). 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 | Teknical | ZeroFox PSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Size | 6 MB | 54 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mendy Schwartz Inc](https://appshunter.io/developer/1654168938) | [ZeroFOX, Inc.](https://appshunter.io/developer/1440057574) |

## What reviewers say

### Teknical

[App page](https://appshunter.io/ios/app/teknical/id6445953177)

**In-app purchases:** none


### ZeroFox PSI

[App page](https://appshunter.io/ios/app/zerofox-psi/id6504121650)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Teknical free?

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

### Is ZeroFox PSI free?

ZeroFox PSI 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.*