# Rolf Connect Math vs KlankKr8 Op School

The clearest difference is update cadence: KlankKr8 Op School at monthly against Rolf Connect Math's every 3 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.

Rolf Connect Math ships an update every 3 months, KlankKr8 Op School monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Rolf Connect Math | KlankKr8 Op School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 251 MB | 460 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [De Rolf Groep](https://appshunter.io/developer/1337618432) | [RID](https://appshunter.io/developer/1507768954) |

## What reviewers say

### Rolf Connect Math

[App page](https://appshunter.io/ios/app/rolf-connect-math/id1457328747)

**Features:** macOS Compatibility

**In-app purchases:** none


### KlankKr8 Op School

[App page](https://appshunter.io/ios/app/klankkr8-op-school/id6447011591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rolf Connect Math free?

Rolf Connect Math is free to download, with no in-app purchases.

### Is KlankKr8 Op School free?

KlankKr8 Op School is free to download, with no in-app purchases.

### Do Rolf Connect Math or KlankKr8 Op School have ads?

Neither Rolf Connect Math nor KlankKr8 Op School shows ads.

### Which is updated more often, Rolf Connect Math or KlankKr8 Op School?

Rolf Connect Math ships an update every 3 months, and KlankKr8 Op School monthly. Most recently, Rolf Connect Math was updated on November 2, 2026 and KlankKr8 Op School 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.*