# 素因数分解クイズ vs BUSHUT!

The clearest difference is in-app purchases: 素因数分解クイズ at none against BUSHUT!'s 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BUSHUT! sells 1 one-off in-app purchase. 素因数分解クイズ asks for nothing beyond the download.

素因数分解クイズ ships an update every 5 days, BUSHUT! weekly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 素因数分解クイズ | BUSHUT! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Size | 26 MB | 9 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YUKI WATANABE](https://appshunter.io/developer/1724288537) | [株式会社仙台情報サービス](https://appshunter.io/developer/1495567667) |

## What reviewers say

### 素因数分解クイズ

[App page](https://appshunter.io/ios/app/1/id6740989986)

**Features:** macOS Compatibility

**In-app purchases:** none


### BUSHUT!

[App page](https://appshunter.io/ios/app/bushut/id6799383631)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $3.99 | one-time |


## Frequently asked questions

### Is 素因数分解クイズ free?

素因数分解クイズ is free to download, with no in-app purchases.

### Is BUSHUT! free?

BUSHUT! is free to download, with in-app purchases available.

### Do 素因数分解クイズ or BUSHUT! have ads?

Both 素因数分解クイズ and BUSHUT! show ads.

### Which is updated more often, 素因数分解クイズ or BUSHUT!?

素因数分解クイズ ships an update every 5 days, and BUSHUT! weekly. Most recently, 素因数分解クイズ was updated on October 28, 2026 and BUSHUT! on October 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.*