# Kaizen Sudoku: Smart Hints — Calm design. Daily puzzles.

> Calm design. Daily puzzles. (iPhone/iPad app by SULEYMAN ATES.)

- Source: https://appshunter.io/ios/app/kaizen-sudoku-smart-hints/id6793465247 (this page in markdown: same URL + `.md`)
- Developer: [SULEYMAN ATES](https://appshunter.io/developer/1822953425)
- Category: Games, Education, Puzzle, Strategy
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish and 1 more
- Released: 2026-08-19
- Data updated: 2026-09-26
- User reviews in markdown: https://appshunter.io/ios/app/kaizen-sudoku-smart-hints/id6793465247/reviews.md

## What is Kaizen Sudoku?

Kaizen Sudoku is the calm, 100% ad-free and completely free Sudoku game where beautiful design, smart learning, and unlimited puzzles come together—no ads, no subscriptions, no paywalls, ever. Master classic Sudoku one puzzle at a time.

Every hint teaches a real Sudoku technique—explaining why a move works instead of simply revealing the answer. Six difficulty levels from Beginner to Legend, 21 hand-crafted themes, and a distraction-free design make every game a pleasure.

LEARN AS YOU PLAY
Go beyond trial and error. Smart hints teach proven solving techniques, sharpen your logic skills, and help you become a stronger Sudoku player with every puzzle you solve.

DAILY SUDOKU CHALLENGE
A new puzzle every day. Keep your streak alive, earn monthly trophies, and make Sudoku part of your daily routine.

100% AD-FREE, COMPLETELY FREE
Every feature, every theme, and every difficulty level is unlocked from the start. No ads, no subscriptions, and no paywalls. Earn points as you solve puzzles and spend them on extra hints whenever you need them.

PLAY YOUR WAY
Pencil notes with auto-clear, undo without limits, optional mistake highlighting, detailed statistics, and Game Center leaderboards give you full control over every game. Keep multiple puzzles in progress and pick up right where you left off—even offline.

DESIGNED FOR CALM
21 hand-crafted themes with night variants, soft colors, and carefully chosen typography create a relaxing place to focus. No clutter, no interruptions—just you and the puzzle.

From your first Sudoku to your thousandth, from a quick Daily Challenge to a deep Legend puzzle, Kaizen Sudoku helps you improve while making every game enjoyable.


## Version history (last 4 releases)

### 1.0.4 — 2026-08-26

Now completely ad-free! Every game includes 5 free hints — get extra hints or continue after the mistake limit using your points.

### 1.0.3 — 2026-08-26

Improved the watch-ad-for-hint flow. Incorrect digits are now clearly visible in every theme.

### 1.0.1 — 2026-08-24

Minor improvements and bug fixes.

### 1.0 — 2026-08-20

No release notes.

## Apps similar to Kaizen Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Dusk: Calm Sudoku](https://appshunter.io/ios/app/dusk-calm-sudoku/id6782392866) | — | Free | Games |
| [Sudoku Titan](https://appshunter.io/ios/app/sudoku-titan/id1510717059) | — | Free | Games |
| [Sudoku - Dereceli Zeka Ligi](https://appshunter.io/ios/app/sudoku-dereceli-zeka-ligi/id6760599733) | — | Free | Games |
| [Sudoku by Sergazin](https://appshunter.io/ios/app/sudoku-by-sergazin/id6756708192) | — | Free | Games |
| [Sudoku Classic - Number Puzzle](https://appshunter.io/ios/app/sudoku-classic-number-puzzle/id6777778748) | — | Free | Games |
| [Sudoku. Simple & Elegant.](https://appshunter.io/ios/app/sudoku-simple-and-elegant/id6756303439) | — | Free | Games |

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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 2026-09-26.*