# Killer Sudoku Brain Training — Classic Logic Puzzle Game

> Classic Logic Puzzle Game (iPhone/iPad app by Fumiya Izu.)

- Source: https://appshunter.io/ios/app/killer-sudoku-brain-training/id6757490579 (this page in markdown: same URL + `.md`)
- Developer: [Fumiya Izu](https://appshunter.io/developer/1828395720)
- Category: Games, Entertainment, Board, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 23 MB
- Languages: American English, Japanese
- Released: 2026-01-20
- Data updated: 2026-08-21
- User reviews in markdown: https://appshunter.io/ios/app/killer-sudoku-brain-training/id6757490579/reviews.md

## What is Killer Sudoku Brain Training?

Enjoy a classic Killer Sudoku experience with a clean design and intuitive controls.
This app is perfect for fans of Sudoku puzzles, number puzzles, and logical brain training.

Killer Sudoku combines traditional Sudoku rules with additional sum constraints, creating deeper and more challenging logic puzzles. Every puzzle can be solved using logic alone — no guessing required.


## Version history (last 2 releases)

### 1.0.1 — 2026-01-25

• Improved the user interface for a smoother experience
• Enhanced usability and overall performance
• Fixed minor bugs

### 1.0 — 2026-01-20

No release notes.

## Apps similar to Killer Sudoku Brain Training

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku Breeze](https://appshunter.io/ios/app/sudoku-breeze/id6757691920) | — | Free | Games |
| [Sudoku Grandmaster+](https://appshunter.io/ios/app/sudoku-grandmaster-plus/id6758523986) | — | Free | Games |
| [Cat Queens: Logic Puzzle](https://appshunter.io/ios/app/cat-queens-logic-puzzle/id6739783500) | — | Free | Games |
| [Sudukoo - Modern Sudoku](https://appshunter.io/ios/app/sudukoo-modern-sudoku/id6756506335) | — | Free | Games |
| [Sudoku: Killer, Classic Sudoku](https://appshunter.io/ios/app/sudoku-killer-classic-sudoku/id6476656409) | 4.7 (10) | Free | Games |
| [Killer Sudoku: Brain Puzzle](https://appshunter.io/ios/app/killer-sudoku-brain-puzzle/id6760898039) | — | Free | Games |

## More apps by Fumiya Izu

- [ごはんノートつくるくん](https://appshunter.io/ios/app/id6748987945)
- [Sudoku Puzzle Brain Training](https://appshunter.io/ios/app/sudoku-puzzle-brain-training/id6756236085)

All apps by Fumiya Izu: https://appshunter.io/developer/1828395720

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*