# Stoelzle vs PREFA Group

The clearest difference is update cadence: PREFA Group at fortnightly against Stoelzle's every 3 months. Stoelzle's advantage is iOS requirement (11.0 vs 17.0). 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.

Stoelzle ships an update every 3 months, PREFA Group fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Stoelzle | PREFA Group |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 63 MB | 85 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [cycoders GmbH](https://appshunter.io/developer/1395286805) | [PREFA Aluminiumprodukte GmbH](https://appshunter.io/developer/757752306) |

## What reviewers say

### Stoelzle

[App page](https://appshunter.io/ios/app/stoelzle/id1447645360)

**Features:** macOS Compatibility

**In-app purchases:** none


### PREFA Group

[App page](https://appshunter.io/ios/app/prefa-group/id1637487532)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stoelzle free?

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

### Is PREFA Group free?

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

### Do Stoelzle or PREFA Group have ads?

Neither Stoelzle nor PREFA Group shows ads.

### Which is updated more often, Stoelzle or PREFA Group?

Stoelzle ships an update every 3 months, and PREFA Group fortnightly. Most recently, Stoelzle was updated on October 26, 2026 and PREFA Group on October 27, 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.*