# NÖ4Kids vs MathArena Junior

The clearest difference is in-app purchases: NÖ4Kids at none against MathArena Junior's 3. MathArena Junior's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MathArena Junior sells 3 in-app purchases, starting at $6.99 per month. NÖ4Kids asks for nothing beyond the download.

NÖ4Kids ships an update every 2 months, MathArena Junior every 2 weeks. The most recent releases landed on September 22, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | NÖ4Kids | MathArena Junior |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 12 MB | 111 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NO Medienzentrum](https://appshunter.io/developer/1844892868) | [MatheArena GmbH](https://appshunter.io/developer/1424250411) |

## What reviewers say

### NÖ4Kids

[App page](https://appshunter.io/ios/app/no4kids/id652215877)

**In-app purchases:** none


### MathArena Junior

[App page](https://appshunter.io/ios/app/matharena-junior/id6443734276)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MathArena Monthly Subscription | $6.99 | per month |
| MathArena Annual Subscription | $22.99 | per year |
| MatheArena Junior One Time | $69.99 | one-time |


## Frequently asked questions

### Is NÖ4Kids free?

NÖ4Kids is free to download, with no in-app purchases.

### Is MathArena Junior free?

MathArena Junior is free to download, with in-app purchases available.

### Do NÖ4Kids or MathArena Junior have ads?

Neither NÖ4Kids nor MathArena Junior shows ads.

### Which is updated more often, NÖ4Kids or MathArena Junior?

NÖ4Kids ships an update every 2 months, and MathArena Junior every 2 weeks. Most recently, NÖ4Kids was updated on September 22, 2026 and MathArena Junior on September 29, 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.*