# Mathy Bird (Math vs Rasend Rechnen

The clearest difference is price: Mathy Bird (Math at Free against Rasend Rechnen's $0.99. Mathy Bird (Math also leads on update cadence (every 5 weeks vs every 3 months). Rasend Rechnen's advantage is in-app purchases (none vs 5). On ads, device support and iOS requirement there is nothing between them.

Mathy Bird (Math is free to download; Rasend Rechnen costs $0.99 up front. Mathy Bird (Math sells 5 one-off in-app purchases. Rasend Rechnen asks for nothing beyond the download.

Mathy Bird (Math ships an update every 5 weeks, Rasend Rechnen every 3 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mathy Bird (Math | Rasend Rechnen |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 238 MB | 44 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fabmade GmbH](https://appshunter.io/developer/1307530592) | [Michael Repenning](https://appshunter.io/developer/1600530421) |

## What reviewers say

### Mathy Bird (Math

[App page](https://appshunter.io/ios/app/mathy-bird-math-game/id1307530593)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamonds (40 pieces) | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| Diamonds (200 pieces) | $2.99 | one-time |
| Diamonds (400 pieces) | $5.99 | one-time |
| Diamonds (800 pieces) | $10.99 | one-time |


### Rasend Rechnen

[App page](https://appshunter.io/ios/app/rasend-rechnen/id1600530419)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mathy Bird (Math free?

Mathy Bird (Math is free to download, with in-app purchases available.

### Is Rasend Rechnen free?

Rasend Rechnen costs $0.99, with no in-app purchases.

### Do Mathy Bird (Math or Rasend Rechnen have ads?

Neither Mathy Bird (Math nor Rasend Rechnen shows ads.

### Which is updated more often, Mathy Bird (Math or Rasend Rechnen?

Mathy Bird (Math ships an update every 5 weeks, and Rasend Rechnen every 3 months. Most recently, Mathy Bird (Math was updated on October 26, 2026 and Rasend Rechnen on October 30, 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.*