# Sudokung — Ad-free AI powered Sudoku Game

> Ad-free AI powered Sudoku Game (iPhone/iPad app by 海 兰.)

- Source: https://appshunter.io/ios/app/sudokung/id6758879484 (this page in markdown: same URL + `.md`)
- Developer: [海 兰](https://appshunter.io/developer/1874819920)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 14.0 · 13 MB
- Languages: American English
- Released: 2026-02-24
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/sudokung/id6758879484/reviews.md

## What is Sudokung?

A Sudoku app for advanced and systematic training, available on iOS / Mac.

Key features:
- Three game modes: Daily Challenge / Practice / Rank Assessment
- Rank assessment system: from Level 10 to Level 1 to enter ranks, then from 1-dan up to 10-dan
- 60+ technique demos: animation + text explanation, with optional AI analysis
- In-game hints: get the next-step guidance anytime, with optional AI explanations
- Comprehensive puzzle library: tens of thousands of puzzles across all difficulties
- OCR recognition: import puzzles from images
- Cross-device data sync

Subscription benefits (monthly / yearly):
- Pro Monthly
    - Advanced hints and AI explanations: 50 per day
    - Skills demo: unlock more techniques
    - Daily Challenge: Growth mode
    - Save slots: 3
    - OCR import: supported
    - Cross-device sync: supported
- OMNI, i.e., Pro Yearly
    - Includes all Pro benefits
    - Technique research: available
    - Skills demo: full technique library
    - Save slots: 5
    - OCR import: supported
    - Cross-device sync: supported

Whether you're a beginner or an advanced player, this training loop helps you improve quickly. Start practicing and rank up steadily!

EULA: https://kinghighland.github.io/sudokung-release/support/terms-of-service.md

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Sudokung | $39.99 | per year |
| Sudokung | $4.99 | per month |



## Version history (last 5 releases)

### 1.2.4 — 2026-07-28

The OCR-based puzzle extraction feature supports BYOK mode.

### 1.2.1 — 2026-05-12

Important Update:
- Added new techniques: M-Wing and MSLS (Multi-Sector Locked Sets);
    MSLS is an extremely advanced and comprehensive logical technique;
- Fixed some bugs;

### 1.1.0 — 2026-04-27

Important Update:
- OCR now uses the built-in proxy service; no player configuration is required;
- LLM supports both BYOK mode and built-in proxy mode, with the built-in proxy used by default; players may switch to a custom AI model.

### 1.0.31 — 2026-04-17

- Optimized interface operation: maintain original candidate highlighting after number input;
- Updated question bank difficulty rating scores;
- Enhanced technique demonstrations: added arrows to logic chains for ALS/AIC-type techniques;
- Fixed several bugs;

### 1.0.9 — 2026-03-17

- GUI optimization: simplified the new game panel
- GUI optimization: adjusted button functionality by splitting Hint and Auto-Hint into two separate buttons; Reset now supports resetting either the board or the notes
- Improved notes feature: can be shown/hidden, and supports automatic/manual modes
- When selecting the same difficulty score, randomly returns a puzzle to avoid duplicates

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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 2026-07-29.*