# Vier Bure vs Jassen Pro

The clearest difference is update cadence: Vier Bure at every 5 days against Jassen Pro's every 2 weeks. Jassen Pro's advantage is iOS requirement (17.6 vs 26.0). 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.

Vier Bure ships an update every 5 days, Jassen Pro every 2 weeks. The most recent releases landed on October 30, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Vier Bure | Jassen Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 3 MB | 4 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nino Ziswiler](https://appshunter.io/developer/1843406084) | [Jan Schwob](https://appshunter.io/developer/1896343348) |

## What reviewers say

### Vier Bure

[App page](https://appshunter.io/ios/app/vier-bure/id6753308360)

**In-app purchases:** none


### Jassen Pro

[App page](https://appshunter.io/ios/app/jassen-pro/id6782678239)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vier Bure free?

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

### Is Jassen Pro free?

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

### Do Vier Bure or Jassen Pro have ads?

Neither Vier Bure nor Jassen Pro shows ads.

### Which is updated more often, Vier Bure or Jassen Pro?

Vier Bure ships an update every 5 days, and Jassen Pro every 2 weeks. Most recently, Vier Bure was updated on October 30, 2026 and Jassen Pro on October 18, 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.*