# Katoenpad vs Opstapp App

The clearest difference is update cadence: Katoenpad at every 8 months against Opstapp App's every 26 months. Opstapp App's advantage is iOS requirement (12.0 vs 16.6). 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.

Katoenpad ships an update every 8 months, Opstapp App every 26 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Katoenpad | Opstapp App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 26 months |
| Size | 73 MB | 37 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Kings Code BV](https://appshunter.io/developer/1213307232) | [Geralt Ploegstra](https://appshunter.io/developer/1511157512) |

## What reviewers say

### Katoenpad

[App page](https://appshunter.io/ios/app/katoenpad/id1429546534)

**Features:** macOS Compatibility

**In-app purchases:** none


### Opstapp App

[App page](https://appshunter.io/ios/app/opstapp-app/id1512111945)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Katoenpad free?

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

### Is Opstapp App free?

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

### Do Katoenpad or Opstapp App have ads?

Neither Katoenpad nor Opstapp App shows ads.

### Which is updated more often, Katoenpad or Opstapp App?

Katoenpad ships an update every 8 months, and Opstapp App every 26 months. Most recently, Katoenpad was updated on November 2, 2026 and Opstapp App on November 3, 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.*