# Kozui vs Number Beam

The clearest difference is update cadence: Number Beam at weekly against Kozui's every 3 months. Kozui's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kozui ships an update every 3 months, Number Beam weekly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Kozui | Number Beam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/kozui/id1378563689/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 23 MB | 12 MB |
| Requires iOS | **15.6** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sean O'Connor](https://appshunter.io/developer/305324345) | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) |

## What reviewers say

### Kozui

[App page](https://appshunter.io/ios/app/kozui/id1378563689)

Engage in fast-paced, mind-melting puzzle challenges against a samurai. Test your reflexes and cognitive skills to see how long you can endure the escalating difficulty.

**Highlights:** Fast-paced puzzles, Mind-melting challenges, Samurai opponent, Endurance testing, Cognitive skill development

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

**In-app purchases:** none


### Number Beam

[App page](https://appshunter.io/ios/app/number-beam-math-vision-game/id6755796687)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kozui free?

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

### Is Number Beam free?

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

### Do Kozui or Number Beam have ads?

Neither Kozui nor Number Beam shows ads.

### Which is updated more often, Kozui or Number Beam?

Kozui ships an update every 3 months, and Number Beam weekly. Most recently, Kozui was updated on November 2, 2026 and Number Beam on November 9, 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.*