# VierGO vs Osiris mboRijnland

The clearest difference is iOS requirement: Osiris mboRijnland at 11.0 against VierGO's 16.4. 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.

## The numbers

| Metric | VierGO | Osiris mboRijnland |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 91 MB | 34 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Educared B.V.](https://appshunter.io/developer/1607677850) | [CACI bv](https://appshunter.io/developer/961337312) |

## What reviewers say

### VierGO

[App page](https://appshunter.io/ios/app/viergo/id6760698909)

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

**In-app purchases:** none


### Osiris mboRijnland

[App page](https://appshunter.io/ios/app/osiris-mborijnland/id6778355550)

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

**In-app purchases:** none


## Frequently asked questions

### Is VierGO free?

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

### Is Osiris mboRijnland free?

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

### Do VierGO or Osiris mboRijnland have ads?

Neither VierGO nor Osiris mboRijnland shows ads.

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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.*