# 素因数分解クイズ vs Marimo Merge

The clearest difference is update cadence: 素因数分解クイズ at every 5 days against Marimo Merge's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

素因数分解クイズ ships an update every 5 days, Marimo Merge every 3 months. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 素因数分解クイズ | Marimo Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Size | 26 MB | 199 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUKI WATANABE](https://appshunter.io/developer/1724288537) | [Masaki Kanno](https://appshunter.io/developer/843112443) |

## 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


### Marimo Merge

[App page](https://appshunter.io/ios/app/marimo-merge/id6763684343)

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

**In-app purchases:** none


## 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 Marimo Merge free?

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

### Do 素因数分解クイズ or Marimo Merge have ads?

Both 素因数分解クイズ and Marimo Merge show ads.

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

素因数分解クイズ ships an update every 5 days, and Marimo Merge every 3 months. Most recently, 素因数分解クイズ was updated on October 28, 2026 and Marimo Merge on October 26, 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.*