# Sudoku ++ vs Killer Sudoku

The clearest difference is in-app purchases: Killer Sudoku at none against Sudoku ++'s 1. Sudoku ++'s advantage is update cadence (weekly vs fortnightly) and device support (4 vs 2). On price and ads there is nothing between them.

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

Sudoku ++ ships an update weekly, Killer Sudoku fortnightly. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Sudoku ++ | Killer Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sudoku-plus-plus/id1383809939/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 11.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | — |
| Size | 35 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VM Mobile Team](https://appshunter.io/developer/646128457) | [Dmitrii Kurbakov](https://appshunter.io/developer/6796452758) |

## What reviewers say

### Sudoku ++

[App page](https://appshunter.io/ios/app/sudoku-plus-plus/id1383809939)

Engage your logic with a classic 9x9 puzzle experience. This app offers multiple difficulty levels, fast note-taking, and helpful hints. Track your progress with detailed statistics and customize your play with various themes. Enjoy a calm and satisfying number puzzle every time.

**Highlights:** Classic 9x9 Sudoku puzzles, Multiple difficulty levels, Fast note-taking and pencil marks, Highlighting for rows, columns, and numbers, Undo, redo, and erase functions, Hint system and mistake checking, Progress tracking statistics, Customizable themes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


### Killer Sudoku

[App page](https://appshunter.io/ios/app/killer-sudoku-quick-notes/id6797194087)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku ++ free?

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

### Is Killer Sudoku free?

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

### Do Sudoku ++ or Killer Sudoku have ads?

Neither Sudoku ++ nor Killer Sudoku shows ads.

### Which is updated more often, Sudoku ++ or Killer Sudoku?

Sudoku ++ ships an update weekly, and Killer Sudoku fortnightly. Most recently, Sudoku ++ was updated on September 29, 2026 and Killer Sudoku on October 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.*