# SUDOKU_SOLVER vs Sudoku⁹

The clearest difference is update cadence: SUDOKU_SOLVER at every 2 months against Sudoku⁹'s every 9 months. Sudoku⁹'s advantage is iOS requirement (14.0 vs 16.6). 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.

SUDOKU_SOLVER ships an update every 2 months, Sudoku⁹ every 9 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SUDOKU_SOLVER | Sudoku⁹ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku/id6445941744/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | — | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RUBEN JOSE SOTO MARTINEZ](https://appshunter.io/developer/1496923851) | [Alexander Berson](https://appshunter.io/developer/1531453464) |

## What reviewers say

### SUDOKU_SOLVER

[App page](https://appshunter.io/ios/app/sudoku-solver/id1512662188)

**In-app purchases:** none


### Sudoku⁹

[App page](https://appshunter.io/ios/app/sudoku/id6445941744)

This logic-based number-placement puzzle challenges players to fill grids with digits 1-9. Each row, column, and 3x3 subgrid must contain all digits without repetition. It's a classic brain teaser for honing deductive reasoning skills.

**Highlights:** Number placement logic, Row and column constraints, 3x3 region rules, Deductive reasoning challenge, Classic brain teaser

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SUDOKU_SOLVER free?

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

### Is Sudoku⁹ free?

Sudoku⁹ is free to download, with no in-app purchases.

### Do SUDOKU_SOLVER or Sudoku⁹ have ads?

Neither SUDOKU_SOLVER nor Sudoku⁹ shows ads.

### Which is updated more often, SUDOKU_SOLVER or Sudoku⁹?

SUDOKU_SOLVER ships an update every 2 months, and Sudoku⁹ every 9 months. Most recently, SUDOKU_SOLVER was updated on October 27, 2026 and Sudoku⁹ on October 30, 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.*