# Cube Spark vs Fireworks Sudoku

The clearest difference is in-app purchases: Fireworks Sudoku at none against Cube Spark's 1. Fireworks Sudoku also leads on ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Cube Spark sells 1 one-off in-app purchase. Fireworks Sudoku asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Cube Spark | Fireworks Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cube-spark/id1497834954/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 90 MB | 72 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sky Forward Design LLC](https://appshunter.io/developer/1324975142) | [Guy Middleton](https://appshunter.io/developer/1725248740) |

## What reviewers say

### Cube Spark

[App page](https://appshunter.io/ios/app/cube-spark/id1497834954)

A challenging game where you tap cubes matching the color of an electrified cube. Swipe to destroy groups and increase your score. Offers a relaxed Zen Mode and a competitive Challenge Mode with leaderboards and achievements.

**Highlights:** Color matching gameplay, Tap and swipe controls, Zen Mode for relaxed play, Challenge Mode for competition, Score leaderboards, Unlockable achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Fireworks Sudoku

[App page](https://appshunter.io/ios/app/fireworks-sudoku/id6475804767)

This free puzzle game offers over 25,000 Sudoku boards with a unique cascading fireworks celebration for your progress. It streamlines gameplay with features like automatic note filling and unlimited hints, making it enjoyable for all skill levels.

**Highlights:** Over 25,000 Sudoku boards, Cascading fireworks celebration, Automatic note filling, Unlimited hints, Duplicate highlighting, Offline play, Multiple difficulty levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cube Spark free?

Cube Spark is free to download, with in-app purchases available.

### Is Fireworks Sudoku free?

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

### Do Cube Spark or Fireworks Sudoku have ads?

Cube Spark shows ads; Fireworks Sudoku does not.

### Which is updated more often, Cube Spark or Fireworks Sudoku?

Cube Spark ships an update weekly, and Fireworks Sudoku weekly. Most recently, Cube Spark was updated on October 8, 2026 and Fireworks Sudoku on October 14, 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.*