# Maestro KNX vs E3BlueLight

The clearest difference is update cadence: E3BlueLight at every 6 weeks against Maestro KNX's every 4 months. Maestro KNX's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Maestro KNX ships an update every 4 months, E3BlueLight every 6 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Maestro KNX | E3BlueLight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (6 ratings)](https://appshunter.io/ios/app/maestro-knx/id496520340/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 9 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CD Innovation Ltd.](https://appshunter.io/developer/496520343) | [北京易方通达科技有限公司](https://appshunter.io/developer/889658425) |

## What reviewers say

### Maestro KNX

[App page](https://appshunter.io/ios/app/maestro-knx/id496520340)

Transform your iPhone or iPad into a powerful remote control for your home systems. Access multimedia, climate control, security, and more, even when you're away. Secure and fast, it works seamlessly over the internet.

**Highlights:** Remote control for home systems, Supports KNX, IP, Infra-red, and more, Fast internet connectivity, Multiple client support, Password-protected and secured communication

**Features:** macOS Compatibility

**In-app purchases:** none


### E3BlueLight

[App page](https://appshunter.io/ios/app/e3bluelight/id1039337297)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Maestro KNX free?

Maestro KNX is free to download, with no in-app purchases.

### Is E3BlueLight free?

E3BlueLight is free to download, with no in-app purchases.

### Do Maestro KNX or E3BlueLight have ads?

Neither Maestro KNX nor E3BlueLight shows ads.

### Which is updated more often, Maestro KNX or E3BlueLight?

Maestro KNX ships an update every 4 months, and E3BlueLight every 6 weeks. Most recently, Maestro KNX was updated on October 15, 2026 and E3BlueLight on October 14, 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.*