# CUBE9 ATTACK vs Diamond Sort

The clearest difference is in-app purchases: CUBE9 ATTACK at none against Diamond Sort's 1. Diamond Sort's advantage is update cadence (every 3 days vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Diamond Sort sells 1 one-off in-app purchase. CUBE9 ATTACK asks for nothing beyond the download.

CUBE9 ATTACK ships an update every 18 months, Diamond Sort every 3 days. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CUBE9 ATTACK | Diamond Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Every 3 days** |
| Size | 65 MB | 314 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Plus Inc. (Japan)](https://appshunter.io/developer/445792061) | [fujita ryo](https://appshunter.io/developer/1722037364) |

## What reviewers say

### CUBE9 ATTACK

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

**In-app purchases:** none


### Diamond Sort

[App page](https://appshunter.io/ios/app/diamond-sort-rush-order/id6738853535)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ads | $0.99 | one-time |


## Frequently asked questions

### Is CUBE9 ATTACK free?

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

### Is Diamond Sort free?

Diamond Sort is free to download, with in-app purchases available.

### Do CUBE9 ATTACK or Diamond Sort have ads?

Both CUBE9 ATTACK and Diamond Sort show ads.

### Which is updated more often, CUBE9 ATTACK or Diamond Sort?

CUBE9 ATTACK ships an update every 18 months, and Diamond Sort every 3 days. Most recently, CUBE9 ATTACK was updated on September 23, 2026 and Diamond Sort on September 20, 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.*