# 素因数分解パズル vs Prime Factor Chain

The clearest difference is in-app purchases: Prime Factor Chain at none against 素因数分解パズル's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 素因数分解パズル sells 10 one-off in-app purchases. Prime Factor Chain asks for nothing beyond the download.

## The numbers

| Metric | 素因数分解パズル | Prime Factor Chain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6751097772/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 27 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chikai Ito](https://appshunter.io/developer/1480561746) | [nihei keita](https://appshunter.io/developer/1866466968) |

## What reviewers say

### 素因数分解パズル

[App page](https://appshunter.io/ios/app/id6751097772)

A unique math puzzle game where you shoot prime number bullets to break targets. Strategically place targets based on their numbers and the prime bullets you have. Enjoy 999 levels of brain-teasing fun that can be played offline.

**Highlights:** Unique prime number x math puzzle rules, 999 levels for long-term play, Simple tap controls, Quick play and endless modes, Offline play supported, Ranking feature

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 宝石80個 | $0.49 | one-time |
| 宝石250個 | $1.99 | one-time |
| スターターパック | $2.99 | one-time |
| 広告削除 | $5.99 | one-time |
| レギュラーパック | $5.99 | one-time |
| ピンチ脱出パック | $5.99 | one-time |
| 宝石1100個 | $7.99 | one-time |
| 宝石2250個 | $14.99 | one-time |
| 宝石5000個 | $29.99 | one-time |
| 宝石10500個 | $59.99 | one-time |


### Prime Factor Chain

[App page](https://appshunter.io/ios/app/prime-factor-chain/id6806602279)

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

**In-app purchases:** none


## Frequently asked questions

### Is 素因数分解パズル free?

素因数分解パズル is free to download, with in-app purchases available.

### Is Prime Factor Chain free?

Prime Factor Chain is free to download, with no in-app purchases.

### Do 素因数分解パズル or Prime Factor Chain have ads?

Both 素因数分解パズル and Prime Factor Chain show ads.

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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.*