# STM Patch Editor vs bösch Biomasse

The clearest difference is price: bösch Biomasse at Free against STM Patch Editor's $19.99. bösch Biomasse also leads on device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

bösch Biomasse is free to download; STM Patch Editor costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STM Patch Editor ships an update every 5 months, bösch Biomasse every 3 months. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | STM Patch Editor | bösch Biomasse |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 55 MB | 112 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Josef Stoppacher](https://appshunter.io/developer/1416730372) | [Walter Bösch GmbH & Co KG](https://appshunter.io/developer/1644373317) |

## What reviewers say

### STM Patch Editor

[App page](https://appshunter.io/ios/app/stm-patch-editor/id1416730373)

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

**In-app purchases:** none


### bösch Biomasse

[App page](https://appshunter.io/ios/app/bosch-biomasse/id6761860145)

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

**In-app purchases:** none


## Frequently asked questions

### Is STM Patch Editor free?

STM Patch Editor costs $19.99, with no in-app purchases.

### Is bösch Biomasse free?

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

### Do STM Patch Editor or bösch Biomasse have ads?

Neither STM Patch Editor nor bösch Biomasse shows ads.

### Which is updated more often, STM Patch Editor or bösch Biomasse?

STM Patch Editor ships an update every 5 months, and bösch Biomasse every 3 months. Most recently, STM Patch Editor was updated on October 3, 2026 and bösch Biomasse on September 30, 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.*