# Sudoku S. vs Cubic Isles

The clearest difference is device support: Sudoku S. at 3 against Cubic Isles's 1. Sudoku S. also leads on iOS requirement (11.0 vs 18.0). On price, update cadence, 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.

Sudoku S. ships an update every 5 weeks, Cubic Isles every 6 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | Sudoku S. | Cubic Isles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sudoku-s/id1312566544/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Ad-supported | — |
| Size | 105 MB | 12 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [果林 欧](https://appshunter.io/developer/870092735) | [Claudio Souza Mattos](https://appshunter.io/developer/1774316937) |

## What reviewers say

### Sudoku S.

[App page](https://appshunter.io/ios/app/sudoku-s/id1312566544)

Engage in logic-based number puzzles with a clean interface and advanced hint system. Compete in daily challenges, earn XP, and climb leaderboards across multiple platforms. Offers various difficulty levels and game modes for continuous learning and fun.

**Highlights:** Advanced hint system with popular Sudoku techniques, Clean and clear design for touch screens, 10,000 puzzles in 5 difficulty levels, Two game modes: random game and daily challenge, Daily challenges with global leaderboards, Cross-platform play, Progress saving and resuming

**Features:** macOS Compatibility

**In-app purchases:** none


### Cubic Isles

[App page](https://appshunter.io/ios/app/cubic-isles/id6553995539)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku S. free?

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

### Is Cubic Isles free?

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

### Do Sudoku S. or Cubic Isles have ads?

Both Sudoku S. and Cubic Isles show ads.

### Which is updated more often, Sudoku S. or Cubic Isles?

Sudoku S. ships an update every 5 weeks, and Cubic Isles every 6 weeks. Most recently, Sudoku S. was updated on November 4, 2026 and Cubic Isles on November 4, 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.*