# ドイツ語単語帳 vs Math Bird Challenge

The clearest difference is device support: Math Bird Challenge at 3 against ドイツ語単語帳's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ドイツ語単語帳 | Math Bird Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | Yes |
| Monetization | — | Ad-supported |
| Size | 96 MB | 36 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sumie Watanabe](https://appshunter.io/developer/1349237972) | [Tomohiro Kosaka](https://appshunter.io/developer/1095373790) |

## What reviewers say

### ドイツ語単語帳

[App page](https://appshunter.io/ios/app/id6450562099)

**In-app purchases:** none


### Math Bird Challenge

[App page](https://appshunter.io/ios/app/math-bird-challenge/id6756185149)

This app makes learning arithmetic engaging by combining classic arcade gameplay with math challenges. Players tap to navigate obstacles while solving addition and subtraction problems, with difficulty increasing as their score rises. It's designed for children aged 5-12 to build math skills through fun, reward-based play.

**Highlights:** Arithmetic practice integrated with gameplay, Progressive difficulty levels, Strengthens mental arithmetic, Improves calculation speed, Works offline, Simple one-tap controls

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

**In-app purchases:** none


## Frequently asked questions

### Is ドイツ語単語帳 free?

ドイツ語単語帳 is free to download, with no in-app purchases.

### Is Math Bird Challenge free?

Math Bird Challenge is free to download, with no in-app purchases.

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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.*