# Connect 'Primes' and calm down vs 素因数分解クイズ

The clearest difference is ads: Connect 'Primes' and calm down at none against 素因数分解クイズ's shown. Connect 'Primes' and calm down also leads on iOS requirement (7.0 vs 16.6). On price, update cadence, 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.

Connect 'Primes' and calm down ships an update every 4 days, 素因数分解クイズ every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Connect 'Primes' and calm down | 素因数分解クイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free | — |
| Size | 52 MB | 26 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shin Hirota](https://appshunter.io/developer/507874157) | [YUKI WATANABE](https://appshunter.io/developer/1724288537) |

## What reviewers say

### Connect 'Primes' and calm down

[App page](https://appshunter.io/ios/app/connect-primes-and-calm-down/id1181735919)

A casual puzzle game where you decompose numbers into primes and connect them to clear the screen. It's designed for brain training and offers a unique scoring system based on prime factorization. The game ends when numbers stack too high.

**Highlights:** Prime factorization gameplay, Number decomposition mechanics, Connect and swipe to clear, Brain training exercises, Unique scoring system, Casual action puzzle

**Features:** macOS Compatibility

**In-app purchases:** none


### 素因数分解クイズ

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Connect 'Primes' and calm down free?

Connect 'Primes' and calm down is free to download, with no in-app purchases.

### 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.

### Do Connect 'Primes' and calm down or 素因数分解クイズ have ads?

素因数分解クイズ shows ads; Connect 'Primes' and calm down does not.

### Which is updated more often, Connect 'Primes' and calm down or 素因数分解クイズ?

Connect 'Primes' and calm down ships an update every 4 days, and 素因数分解クイズ every 5 days. Most recently, Connect 'Primes' and calm down was updated on October 24, 2026 and 素因数分解クイズ on October 6, 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.*