# Easy KNX vs Rechnung Scanner

The clearest difference is price: Rechnung Scanner at Free against Easy KNX's $24.99. Easy KNX's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On update cadence and ads there is nothing between them.

Rechnung Scanner is free to download; Easy KNX costs $24.99 up front. Rechnung Scanner sells 1 one-off in-app purchase. Easy KNX asks for nothing beyond the download.

Easy KNX ships an update every 3 months, Rechnung Scanner every 4 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Easy KNX | Rechnung Scanner |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/easy-knx/id1273607490/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 34 MB | 9 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mauricio Domenech](https://appshunter.io/developer/990988048) | [Hermann Rauschmayr](https://appshunter.io/developer/1834145250) |

## What reviewers say

### Easy KNX

[App page](https://appshunter.io/ios/app/easy-knx/id1273607490)

Control your KNX smart home system directly from your mobile device. This app allows for quick and easy management of your entire KNX installation without needing extra hardware, only a KNX gateway.

**Highlights:** Manage KNX installations, No extra hardware needed, Create floors and rooms, Add and test controls, Requires KNX/IP Gateway

**Features:** Vision Pro support

**In-app purchases:** none


### Rechnung Scanner

[App page](https://appshunter.io/ios/app/rechnung-scanner/id6751234255)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Werbung entfernen | $1.99 | one-time |


## Frequently asked questions

### Is Easy KNX free?

Easy KNX costs $24.99, with no in-app purchases.

### Is Rechnung Scanner free?

Rechnung Scanner is free to download, with in-app purchases available.

### Do Easy KNX or Rechnung Scanner have ads?

Neither Easy KNX nor Rechnung Scanner shows ads.

### Which is updated more often, Easy KNX or Rechnung Scanner?

Easy KNX ships an update every 3 months, and Rechnung Scanner every 4 months. Most recently, Easy KNX was updated on October 19, 2026 and Rechnung Scanner on October 18, 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.*