# クイズfor桃太郎電鉄 vs PrimeFactorizationGame

The clearest difference is iOS requirement: クイズfor桃太郎電鉄 at 11.0 against PrimeFactorizationGame's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

クイズfor桃太郎電鉄 ships an update every 5 weeks, PrimeFactorizationGame monthly. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | クイズfor桃太郎電鉄 | PrimeFactorizationGame |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 56 MB | 7 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TATSUYA KAWAGUCHI](https://appshunter.io/developer/1590623691) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### クイズfor桃太郎電鉄

[App page](https://appshunter.io/ios/app/for/id1616384210)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrimeFactorizationGame

[App page](https://appshunter.io/ios/app/primefactorizationgame/id6755812213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is クイズfor桃太郎電鉄 free?

クイズfor桃太郎電鉄 is free to download, with no in-app purchases.

### Is PrimeFactorizationGame free?

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

### Do クイズfor桃太郎電鉄 or PrimeFactorizationGame have ads?

Both クイズfor桃太郎電鉄 and PrimeFactorizationGame show ads.

### Which is updated more often, クイズfor桃太郎電鉄 or PrimeFactorizationGame?

クイズfor桃太郎電鉄 ships an update every 5 weeks, and PrimeFactorizationGame monthly. Most recently, クイズfor桃太郎電鉄 was updated on September 13, 2026 and PrimeFactorizationGame on September 10, 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.*