# SilHT Pro vs KNX Pro Tester

The clearest difference is price: SilHT Pro at Free against KNX Pro Tester's $17.99. SilHT Pro also leads on iOS requirement (9.1 vs 26.4). KNX Pro Tester's advantage is update cadence (every 2 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

SilHT Pro 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.

SilHT Pro ships an update every 2 months, KNX Pro Tester every 2 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SilHT Pro | KNX Pro Tester |
| --- | --- | --- |
| Price | **Free** | $17.99 |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 16 MB | 217 MB |
| Requires iOS | **9.1** | 26.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nice SpA](https://appshunter.io/developer/1063645984) | [davide grandeppieno](https://appshunter.io/developer/908961846) |

## What reviewers say

### SilHT Pro

[App page](https://appshunter.io/ios/app/silht-pro/id581877157)

This application allows users to manage their SilHT alarm system remotely. It provides control over security functions and system status. Developed by Silentron, a company with a long history in alarm systems.

**Highlights:** Remote alarm system management, Control security functions, Monitor system status, Developed by alarm system experts

**Features:** macOS Compatibility

**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 SilHT Pro free?

SilHT Pro 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 SilHT Pro or KNX Pro Tester have ads?

Neither SilHT Pro nor KNX Pro Tester shows ads.

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

SilHT Pro ships an update every 2 months, and KNX Pro Tester every 2 days. Most recently, SilHT Pro was updated on October 23, 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.*