# BUNKAI vs モールスランナー (morse runner)

The clearest difference is ads: モールスランナー (morse runner) at none against BUNKAI's shown. モールスランナー (morse runner) also leads on update cadence (fortnightly vs every 2 months). BUNKAI's advantage is iOS requirement (11.0 vs 13.0). On price, 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.

BUNKAI ships an update every 2 months, モールスランナー (morse runner) fortnightly. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | BUNKAI | モールスランナー (morse runner) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/bunkai/id1518757863/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 114 MB | 23 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [Masaaki Tamai](https://appshunter.io/developer/1896764786) |

## What reviewers say

### BUNKAI

[App page](https://appshunter.io/ios/app/bunkai/id1518757863)

A brain-training puzzle game where players break down numbers until they reach one. It uses prime factorization to defeat monsters, making learning math fun and engaging. Enjoy a simple yet addictive experience that boosts your calculation skills.

**Highlights:** Number decomposition puzzles, Prime factorization mechanics, Monster-battling gameplay, Calculation skill training, Simple tap controls, Addictive brain training

**Features:** macOS Compatibility

**In-app purchases:** none


### モールスランナー (morse runner)

[App page](https://appshunter.io/ios/app/morse-runner/id6770839248)

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

**In-app purchases:** none


## Frequently asked questions

### Is BUNKAI free?

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

### Is モールスランナー (morse runner) free?

モールスランナー (morse runner) is free to download, with no in-app purchases.

### Do BUNKAI or モールスランナー (morse runner) have ads?

BUNKAI shows ads; モールスランナー (morse runner) does not.

### Which is updated more often, BUNKAI or モールスランナー (morse runner)?

BUNKAI ships an update every 2 months, and モールスランナー (morse runner) fortnightly. Most recently, BUNKAI was updated on October 6, 2026 and モールスランナー (morse runner) on October 2, 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.*