# Face Mobile vs KNX Pro Tester

The clearest difference is price: Face Mobile at Free against KNX Pro Tester's $17.99. Face Mobile also leads on iOS requirement (15.6 vs 26.4). KNX Pro Tester's advantage is update cadence (every 3 days vs monthly). On ads, in-app purchases and device support there is nothing between them.

Face Mobile is free to download; KNX Pro Tester costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Face Mobile ships an update monthly, KNX Pro Tester every 3 days. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Face Mobile | KNX Pro Tester |
| --- | --- | --- |
| Price | **Free** | $17.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 39 MB | 217 MB |
| Requires iOS | **15.6** | 26.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Face S.R.L.](https://appshunter.io/developer/1525232930) | [Davide Grandeppieno](https://appshunter.io/developer/908961846) |

## What reviewers say

### Face Mobile

[App page](https://appshunter.io/ios/app/face-mobile/id6742446373)

**In-app purchases:** none


### KNX Pro Tester

[App page](https://appshunter.io/ios/app/knx-pro-tester/id6751961044)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Face Mobile free?

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

### Is KNX Pro Tester free?

KNX Pro Tester costs $17.99, with no in-app purchases.

### Do Face Mobile or KNX Pro Tester have ads?

Neither Face Mobile nor KNX Pro Tester shows ads.

### Which is updated more often, Face Mobile or KNX Pro Tester?

Face Mobile ships an update monthly, and KNX Pro Tester every 3 days. Most recently, Face Mobile was updated on October 3, 2026 and KNX Pro Tester on October 24, 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.*