# 計算の達人 vs SOINSU math puzzle

The clearest difference is review sentiment: SOINSU math puzzle at 90% against 計算の達人's 33%. 計算の達人's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. SOINSU math puzzle sells 2 one-off in-app purchases. 計算の達人 asks for nothing beyond the download.

計算の達人 ships an update every 11 days, SOINSU math puzzle weekly. The most recent releases landed on October 18, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 計算の達人 | SOINSU math puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 105 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kitamura hira](https://appshunter.io/developer/324426988) | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) |

## What reviewers say

### 計算の達人

[App page](https://appshunter.io/ios/app/id791048038)

**In-app purchases:** none


### SOINSU math puzzle

[App page](https://appshunter.io/ios/app/soinsu-math-puzzle/id6444055103)

Engage in a brain-training puzzle game focused on prime factorization. Anyone can learn the fun of numbers through this simple, time-killing activity. Enjoy the challenge of dividing numbers into prime factors with a high-tempo soundtrack.

**Highlights:** Prime factorization gameplay, Brain training puzzles, Mental arithmetic practice, Cyber visuals, Trance music soundtrack, Multiple game modes, Prime number collection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add no time limit mode | $0.99 | one-time |
| Hidden Ads | $2.99 | one-time |


## Frequently asked questions

### Is 計算の達人 free?

計算の達人 is free to download, with no in-app purchases.

### Is SOINSU math puzzle free?

SOINSU math puzzle is free to download, with in-app purchases available.

### Do 計算の達人 or SOINSU math puzzle have ads?

SOINSU math puzzle shows ads; 計算の達人 does not.

### Which is updated more often, 計算の達人 or SOINSU math puzzle?

計算の達人 ships an update every 11 days, and SOINSU math puzzle weekly. Most recently, 計算の達人 was updated on October 18, 2026 and SOINSU math puzzle on October 27, 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.*