# CUBE9 ATTACK vs Kutchris

The clearest difference is update cadence: CUBE9 ATTACK at every 18 months against Kutchris's every 55 months. CUBE9 ATTACK also leads on iOS requirement (13.0 vs 15.0). On price, ads, 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.

CUBE9 ATTACK ships an update every 18 months, Kutchris every 55 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | CUBE9 ATTACK | Kutchris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (29 ratings)](https://appshunter.io/ios/app/kutchris-beatbox-puzzle/id1580097790/reviews)** |
| Number of ratings | — | **29** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 18 months** | Every 55 months |
| Monetization | — | Ad-supported |
| Size | 65 MB | 137 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Plus Inc. (Japan)](https://appshunter.io/developer/445792061) | [Hiroyuki Kyogoku](https://appshunter.io/developer/1501954971) |

## What reviewers say

### CUBE9 ATTACK

[App page](https://appshunter.io/ios/app/cube9-attack/id1448660572)

**In-app purchases:** none


### Kutchris

[App page](https://appshunter.io/ios/app/kutchris-beatbox-puzzle/id1580097790)

A surreal puzzle game where you stack falling mouths to create unique beatbox music. Each shape represents a different sound, layering together as you play to form evolving rhythms. Experience a minimalist and auditory journey with real human beatbox sounds.

**Highlights:** Stack falling mouths to create beats, Different shapes produce distinct beatbox sounds, Layer sounds to generate unique music, Surreal visuals with realistic lips, Dynamic music generation based on stacking, Minimalist aesthetic with focus on sound and puzzles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CUBE9 ATTACK free?

CUBE9 ATTACK is free to download, with no in-app purchases.

### Is Kutchris free?

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

### Do CUBE9 ATTACK or Kutchris have ads?

Both CUBE9 ATTACK and Kutchris show ads.

### Which is updated more often, CUBE9 ATTACK or Kutchris?

CUBE9 ATTACK ships an update every 18 months, and Kutchris every 55 months. Most recently, CUBE9 ATTACK was updated on October 26, 2026 and Kutchris on October 23, 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.*