# KNX Inspector — KNX Diagnostic & Analysis Tool

> KNX/IP installation analysis and diagnostic tool for real-time monitoring and project comparison. (iPhone/iPad app by LK software group.)

- Source: https://appshunter.io/ios/app/knx-inspector/id6764353992 (this page in markdown: same URL + `.md`)
- Developer: [LK software group](https://appshunter.io/developer/544695186)
- Category: Developer Tools, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 6 MB
- Languages: American English
- Released: 2026-06-04
- Data updated: 2026-09-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/knx-inspector/id6764353992/reviews.md

## What is KNX Inspector?

KNX Inspector is a professional analysis and diagnostics app for KNX/IP installations on iPhone and iPad. The app connects to KNX/IP gateways and interfaces, monitors telegrams in real time, checks group addresses, analyzes physical device addresses, and compares live data with imported ETS projects.

The app was developed for commissioning, service, troubleshooting, and technical analysis. It is ideal for system integrators, service technicians, and anyone who needs to understand, test, and document KNX systems during live operation.

Key Features:

* Connection to KNX/IP gateways and interfaces
* Network search via KNX multicast and local gateway discovery
* Live monitoring of KNX telegrams
* Filters for direction, telegram type, search text, and group address
* Raw data and plain-text display with DPT reference
* Bus alarm for targeted monitoring of group or device addresses
* DPT test for reading and writing group addresses
* Line scan for physical KNX device addresses
* Telegram scan for active group communication
* Complete analysis combining device discovery and telegram monitoring
* ETS / .knxproj import for the Compare ETS feature
* Project structure with functions, buildings, rooms, and topology
* Export functions for documentation and sharing
* Local session and history management

Supported devices include KNXnet/IP-compatible devices, interfaces, and routers accessible via the standard UDP port 3671. This includes, for example, KNX/IP gateways and interfaces from manufacturers such as MDT, Gira, Jung, Hager, Weinzierl, ABB, Schneider Electric, Siemens, Theben, and Busch-Jaeger.

With the Live Monitor, you can observe KNX telegrams in real time. The app displays the source, destination, group address, payload, telegram type, and, wherever possible, decoded values. Filters help you track specific communication patterns, group addresses, or responses.

The Bus Map combines devices, group activity, and communication patterns into a structured analysis. This allows you to quickly identify which participants are active, which group addresses are being used, and which transmitters generate the most traffic.

With Compare ETS, you can cross-reference live data with an imported ETS project. This reveals which devices were detected live, which project devices are missing, which groups are active, and where discrepancies exist between the live bus and the project data.

The DPT Test is ideal for targeted functional testing. Group addresses can be read or written, and supported DPTs are decoded and displayed as clearly as possible. This allows you to directly test switching, dimming, temperature values, scenes, and many other typical KNX functions.

A complete list of supported decoded KNX data types, as well as technical notes, is available online via the support URL.

KNX Inspector works locally on your device and is optimized for practical on-site work. The app is particularly suitable for:

* Commissioning KNX systems
* Service and maintenance work
* Troubleshooting telegram and group address issues
* Comparing live installations with the ETS project
* Documenting technical observations
* Remote monitoring of the KNX bus via VPN

For technical inquiries or general support, please use the support URL. A user manual and technical notes are also available online.

Note: KNX is a registered trademark of the KNX Association. This application was developed independently and is not an official product of the KNX Association.

## Key features

- Real-time KNX/IP telegram monitoring
- Group address checking and analysis
- Physical device address scanning
- Live data comparison with ETS projects
- Bus alarm for targeted monitoring
- KNX data type testing
- Export for documentation

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| KNX Inspector Pro | $24.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/knx-inspector/id6764353992/reviews.md

### 5/5 — Perfekt

*2026-06-10*

Danke für die App, genau sowas hab ich gesucht. Ich hab mein Bussystem getestet und konnte Geräte auch einwandfrei finden. Der Busalarm ist auch super - kann ich nur weiterempfehlen! Cool ist auch, dass ich direkt Telegramme senden kann und auch direkt über den Bus testen kann!

## Frequently asked questions about KNX Inspector

### What is KNX Inspector used for?

KNX Inspector is a professional analysis and diagnostic app for KNX/IP installations. It helps users monitor telegrams in real-time, check group addresses, analyze device addresses, and compare live data with imported ETS projects for troubleshooting and documentation.

### What devices does KNX Inspector support?

KNX Inspector is available for iPhone and iPad. It connects to KNX/IP gateways and interfaces that are reachable via the standard UDP port 3671.

### Can KNX Inspector import ETS projects?

Yes, KNX Inspector supports importing ETS projects (KNXPROJ files). This feature, called 'Compare ETS', allows you to compare live bus data with your imported project to identify discrepancies, missing devices, and active groups.

### How does KNX Inspector help with troubleshooting?

KNX Inspector aids troubleshooting through its real-time live monitor, allowing you to observe KNX telegrams and filter them by direction, type, or group address. The 'Bus Map' feature provides a structured analysis of device activity and communication patterns, helping to pinpoint issues.

### Does KNX Inspector have ads?

No, KNX Inspector does not contain advertisements. It is a free application designed for professional use without interruptions.

### What is the age rating for KNX Inspector?

KNX Inspector has an age rating of 4+. This indicates it is suitable for users of all ages, with no content restrictions.

### How often is KNX Inspector updated?

The latest version of KNX Inspector is 1.0, released on June 4, 2026. Further update frequency details are not provided, but it is actively developed by LK software group.

### Can KNX Inspector test KNX functions?

Yes, the 'DPT-Test' feature in KNX Inspector allows for targeted functional checks. You can read or write to group addresses and test various KNX functions like switching, dimming, and temperature values, with supported data types decoded.

## Version history (last 1 release)

### 1.0 — 2026-06-04

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*