# Bushi Fight vs Reaction Lab

The clearest difference is in-app purchases: Bushi Fight at none against Reaction Lab's 1. Bushi Fight also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). Reaction Lab's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Reaction Lab sells 1 one-off in-app purchase. Bushi Fight asks for nothing beyond the download.

Bushi Fight ships an update every 3 weeks, Reaction Lab every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bushi Fight | Reaction Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (987 ratings)](https://appshunter.io/ios/app/bushi-fight/id6760280333/reviews)** | — |
| Number of ratings | **987** | — |
| Positive reviews | 71.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 87 MB | 76 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [KAYAC Inc.](https://appshunter.io/developer/315952203) | [Ariolu LLC](https://appshunter.io/developer/6781789360) |

## What reviewers say

### Bushi Fight

[App page](https://appshunter.io/ios/app/bushi-fight/id6760280333)

Engage in fast-paced combat by swinging your katana to defeat enemies. Master the art of the sword in this action-packed game.

**Highlights:** Katana swinging combat, Enemy slashing gameplay, Fast-paced action, Simple drag controls

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

**In-app purchases:** none


### Reaction Lab

[App page](https://appshunter.io/ios/app/reaction-lab-ability-test/id6782134527)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Bushi Fight free?

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

### Is Reaction Lab free?

Reaction Lab is free to download, with in-app purchases available.

### Do Bushi Fight or Reaction Lab have ads?

Bushi Fight shows ads; Reaction Lab does not.

### Which is updated more often, Bushi Fight or Reaction Lab?

Bushi Fight ships an update every 3 weeks, and Reaction Lab every 2 months. Most recently, Bushi Fight was updated on November 5, 2026 and Reaction Lab on October 31, 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.*