# Sudoku Master: Killer Daily — Puzzle Logic Brain Training

> Puzzle Logic Brain Training (iPhone/iPad app by Yu Liu.)

- Source: https://appshunter.io/ios/app/sudoku-master-killer-daily/id6751930054 (this page in markdown: same URL + `.md`)
- Developer: [Yu Liu](https://appshunter.io/developer/1591172207)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 15.6 · 42 MB
- Languages: English, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Chinese and 2 more
- Released: 2025-10-08
- Data updated: 2026-07-03
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-master-killer-daily/id6751930054/reviews.md

## What is Sudoku Master?

Sudoku Master packs classic sudoku, killer sudoku, diagonal sudoku, irregular sudoku, and more into one app — with a fresh daily challenge and full offline play.

Switch between puzzle styles without installing a separate app for each: classic 9×9 grids, killer cages, X-sudoku diagonals, windoku windows, comparison clues, odd-even rules, jigsaw irregular regions, anti-knight, and anti-king constraints.

Sudoku variants

• Classic Sudoku
• Killer Sudoku
• X-Sudoku (Diagonal)
• Windoku
• Comparison Sudoku
• Odd-Even Sudoku
• Irregular Sudoku (Jigsaw)
• Anti-Knight Sudoku
• Anti-King Sudoku

Play on 4×4, 6×6, or 9×9 grids with four difficulty levels from easy to expert. Smart hints, notes, error checking, auto-save, undo, stats, and achievements help you improve at every variant.

Light, soft, and dark themes. Clean interface with optional sound and haptic feedback.

For daily players, killer sudoku fans, and anyone who wants more than one sudoku type in a single app.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Sudoku Unlock by Month | $3.99 | per month |
| Sudoku Unlock by Year | $24.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium version lifetime unlock | $6.99 | one-time |



## Version history (last 4 releases)

### 1.2.0 — 2026-06-05

• Easy difficulty is now free for all Sudoku variants
• Sign in with Google to sync Premium benefits across devices
• Improved login, trial, and purchase experience
• Bug fixes and performance improvements for better stability

### 1.0.2 — 2025-10-22

Daily Challenge
• A brand new Sudoku challenge every day to test your logical thinking
• Complete challenges to earn achievement badges and showcase your skills
• Challenge history to track your progress and growth

New Sudoku Variants
• Anti-Knight Sudoku: Cells at knight's move distance cannot contain the same number
• Anti-King Sudoku: Adjacent cells (8 surrounding) cannot contain the same number

Free Trial Experience
• 3-day free trial of all premium features
• Unlimited hints, ad-free experience, unlock all Sudoku variants
• Experience the complete premium functionality

Bug Fixes
• Fixed Killer Sudoku generation errors for improved game stability
• Enhanced user experience for smoother gameplay

### 1.0.1 — 2025-10-16

NEW: Lifetime Premium available! Unlock all 7 variants, unlimited hints & ad-free. One purchase, enjoy forever!

### 1.0.0 — 2025-10-08

No release notes.

## Apps similar to Sudoku Master

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku Revolution](https://appshunter.io/ios/app/sudoku-revolution/id546630587) | 4.6 (34) | Free | Games |
| [Viva Sudoku:Free Puzzle Master](https://appshunter.io/ios/app/viva-sudokufree-puzzle-master/id6730115448) | 5.0 (1) | Free | Games |
| [Sudoku Master+](https://appshunter.io/ios/app/sudoku-master-plus/id6745489365) | — | Free | Games |
| [SudokuShin Game -Number Place](https://appshunter.io/ios/app/sudokushin-game-number-place/id6448870118) | — | Free | Games |
| [Sudoku Number Games](https://appshunter.io/ios/app/sudoku-number-games/id6751990781) | — | Free | Games |
| [Fantastic Sudoku Variants](https://appshunter.io/ios/app/fantastic-sudoku-variants/id1573679460) | 4.0 (1) | Free | Games |

## More apps by Yu Liu

- [Maps for Minecraft PE - MCMAP](https://appshunter.io/ios/app/maps-for-minecraft-pe-mcmap/id1591172205)
- [Book Reading Record - Tracker](https://appshunter.io/ios/app/book-reading-record-tracker/id1621423785)
- [Buildings for Minecraft PE](https://appshunter.io/ios/app/buildings-for-minecraft-pe/id1634962043)

All apps by Yu Liu: https://appshunter.io/developer/1591172207

## Related topics

[sudoku maestro](https://appshunter.io/ios/topics/sudoku-maestro)

---

*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 2026-07-03.*