# frogProject vs Busch

The clearest difference is update cadence: frogProject at every 2 months against Busch's every 34 months. Busch's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

frogProject ships an update every 2 months, Busch every 34 months. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | frogProject | Busch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 34 months |
| Size | 59 MB | 4 MB |
| Requires iOS | **12.1** | 12.4 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [frogblue TECHNOLOGY GmbH](https://appshunter.io/developer/1731333769) | [Busch-Jaeger Elektro GmbH](https://appshunter.io/developer/542311466) |

## What reviewers say

### frogProject

[App page](https://appshunter.io/ios/app/frogproject/id1385374189)

**In-app purchases:** none


### Busch

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

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

**In-app purchases:** none


## Frequently asked questions

### Is frogProject free?

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

### Is Busch free?

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

### Do frogProject or Busch have ads?

Neither frogProject nor Busch shows ads.

### Which is updated more often, frogProject or Busch?

frogProject ships an update every 2 months, and Busch every 34 months. Most recently, frogProject was updated on September 16, 2026 and Busch on September 22, 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.*