# SafeUSB Pro vs KX

The clearest difference is update cadence: SafeUSB Pro at every 2 weeks against KX's monthly. 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.

SafeUSB Pro ships an update every 2 weeks, KX monthly. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SafeUSB Pro | KX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 20 MB | 6 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Cheng'an Innovation Technology Co., Ltd.](https://appshunter.io/developer/1807438081) | [KEYXENTIC INC.](https://appshunter.io/developer/1255559704) |

## What reviewers say

### SafeUSB Pro

[App page](https://appshunter.io/ios/app/safeusb-pro/id6756099333)

**In-app purchases:** none


### KX

[App page](https://appshunter.io/ios/app/kx-keytool/id6758687493)

**In-app purchases:** none


## Frequently asked questions

### Is SafeUSB Pro free?

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

### Is KX free?

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

### Do SafeUSB Pro or KX have ads?

Neither SafeUSB Pro nor KX shows ads.

### Which is updated more often, SafeUSB Pro or KX?

SafeUSB Pro ships an update every 2 weeks, and KX monthly. Most recently, SafeUSB Pro was updated on October 10, 2026 and KX on October 21, 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.*