# Sudoku World! vs Solitaire Smart

Sudoku World! and Solitaire Smart are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Sudoku World! sells 2 one-off in-app purchases and Solitaire Smart sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sudoku World! ships an update every 3 months, Solitaire Smart every 6 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sudoku World! | Solitaire Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (173 ratings)](https://appshunter.io/ios/app/sudoku-world/id999708319/reviews)** | — |
| Number of ratings | **173** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 83 MB | 16 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MOBIRIX](https://appshunter.io/developer/349276666) | [MESOWITH](https://appshunter.io/developer/428855287) |

## What reviewers say

### Sudoku World!

[App page](https://appshunter.io/ios/app/sudoku-world/id999708319)

Engage in a classic number puzzle game where you fill grids with digits 1-9. Test your logic across thousands of stages with varying difficulty levels. Compete with others and track your progress.

**Highlights:** Thousands of Sudoku stages, Four difficulty levels, Challenge Mode (Time Attack, no hints), Highlighting feature, Save and load game progress, Achievements and Leaderboards, Multiplayer support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 hints | $2.99 | one-time |
| 70 hints | $29.99 | one-time |


### Solitaire Smart

[App page](https://appshunter.io/ios/app/solitaire-smart/id1106409420)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Button Package | $0.99 | one-time |


## Frequently asked questions

### Is Sudoku World! free?

Sudoku World! is free to download, with in-app purchases available.

### Is Solitaire Smart free?

Solitaire Smart is free to download, with in-app purchases available.

### Do Sudoku World! or Solitaire Smart have ads?

Both Sudoku World! and Solitaire Smart show ads.

### Which is updated more often, Sudoku World! or Solitaire Smart?

Sudoku World! ships an update every 3 months, and Solitaire Smart every 6 months. Most recently, Sudoku World! was updated on October 24, 2026 and Solitaire Smart on October 12, 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.*