# ONC Clauslaan vs VierGO

The clearest difference is update cadence: ONC Clauslaan at every 3 months against VierGO's every 7 months. 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.

ONC Clauslaan ships an update every 3 months, VierGO every 7 months. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ONC Clauslaan | VierGO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Size | 44 MB | 91 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Infowijs B.V.](https://appshunter.io/developer/1499461770) | [Educared B.V.](https://appshunter.io/developer/1607677850) |

## What reviewers say

### ONC Clauslaan

[App page](https://appshunter.io/ios/app/onc-clauslaan/id6502766417)

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

**In-app purchases:** none


### VierGO

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

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

**In-app purchases:** none


## Frequently asked questions

### Is ONC Clauslaan free?

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

### Is VierGO free?

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

### Do ONC Clauslaan or VierGO have ads?

Neither ONC Clauslaan nor VierGO shows ads.

### Which is updated more often, ONC Clauslaan or VierGO?

ONC Clauslaan ships an update every 3 months, and VierGO every 7 months. Most recently, ONC Clauslaan was updated on October 27, 2026 and VierGO on October 31, 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.*