# Busch vs Smarty Voice

Busch and Smarty Voice are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Busch ships an update every 34 months, Smarty Voice every 39 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Busch | Smarty Voice |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 34 months** | Every 39 months |
| Monetization | Free | — |
| Size | 4 MB | 180 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Busch-Jaeger Elektro GmbH](https://appshunter.io/developer/542311466) | [L&S Italia S.p.A.](https://appshunter.io/developer/1518037493) |

## What reviewers say

### Busch

[App page](https://appshunter.io/ios/app/busch-voicecontrol/id1523501972)

Connect your KNX smart home system to modern ecosystems like Apple HomeKit, Google Assistant, Amazon Alexa, and Matter. Control KNX devices with your voice and integrate Matter devices into your KNX setup for seamless smart home interaction.

**Highlights:** KNX to HomeKit, Google Assistant, Alexa, Matter integration, Voice control for KNX devices, Matter device integration into KNX, KNX device integration into Matter ecosystems, Easy setup and configuration, Automatic room assignment, Software update import

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

**In-app purchases:** none


### Smarty Voice

[App page](https://appshunter.io/ios/app/smarty-voice/id1529251055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Busch free?

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

### Is Smarty Voice free?

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

### Do Busch or Smarty Voice have ads?

Neither Busch nor Smarty Voice shows ads.

### Which is updated more often, Busch or Smarty Voice?

Busch ships an update every 34 months, and Smarty Voice every 39 months. Most recently, Busch was updated on November 3, 2026 and Smarty Voice on October 25, 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.*