# HAEHNE Viewer vs KNX Inspector

The clearest difference is in-app purchases: HAEHNE Viewer at none against KNX Inspector's 1. HAEHNE Viewer also leads on iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. KNX Inspector sells 1 one-off in-app purchase. HAEHNE Viewer asks for nothing beyond the download.

## The numbers

| Metric | HAEHNE Viewer | KNX Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | — | Free |
| Size | 51 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [core sensing GmbH](https://appshunter.io/developer/1608175677) | [Kurenz Music GbR](https://appshunter.io/developer/544695186) |

## What reviewers say

### HAEHNE Viewer

[App page](https://appshunter.io/ios/app/haehne-viewer/id6741514005)

**Features:** macOS Compatibility

**In-app purchases:** none


### KNX Inspector

[App page](https://appshunter.io/ios/app/knx-inspector/id6764353992)

This professional tool analyzes and diagnoses KNX/IP installations. It connects to gateways, monitors real-time telegrams, checks group addresses, and compares live data with imported projects for troubleshooting and documentation.

**Highlights:** 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

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is HAEHNE Viewer free?

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

### Is KNX Inspector free?

KNX Inspector is free to download, with in-app purchases available.

### Do HAEHNE Viewer or KNX Inspector have ads?

Neither HAEHNE Viewer nor KNX Inspector shows ads.

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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.*