# ASM Pocket vs Busch Pfeiffer

The clearest difference is update cadence: Busch Pfeiffer at fortnightly against ASM Pocket's every 25 months. ASM Pocket's advantage is iOS requirement (13.0 vs 16.0). 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.

ASM Pocket ships an update every 25 months, Busch Pfeiffer fortnightly. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ASM Pocket | Busch Pfeiffer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Fortnightly** |
| Size | 31 MB | 60 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pfeiffer Vacuum GmbH](https://appshunter.io/developer/445843155) | [Busch Dienste GmbH](https://appshunter.io/developer/1655082856) |

## What reviewers say

### ASM Pocket

[App page](https://appshunter.io/ios/app/asm-pocket/id982140994)

**Features:** macOS Compatibility

**In-app purchases:** none


### Busch Pfeiffer

[App page](https://appshunter.io/ios/app/busch-pfeiffer/id6758831459)

**In-app purchases:** none


## Frequently asked questions

### Is ASM Pocket free?

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

### Is Busch Pfeiffer free?

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

### Do ASM Pocket or Busch Pfeiffer have ads?

Neither ASM Pocket nor Busch Pfeiffer shows ads.

### Which is updated more often, ASM Pocket or Busch Pfeiffer?

ASM Pocket ships an update every 25 months, and Busch Pfeiffer fortnightly. Most recently, ASM Pocket was updated on October 18, 2026 and Busch Pfeiffer on October 9, 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.*