# Sudoku 4000 & Solver — 1000 Puzzles in 4 Levels.

> Sudoku puzzle game with multiple difficulty levels and a built-in solver. (iPhone/iPad app by Atsushi Hanai.)

- Source: https://appshunter.io/ios/app/sudoku-4000-and-solver/id1444394241 (this page in markdown: same URL + `.md`)
- Developer: [Atsushi Hanai](https://appshunter.io/developer/1434592326)
- Category: Games, Puzzle
- Price: Free
- Rating: 4.70/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 10 MB
- Languages: American English, Japanese
- Released: 2018-11-26
- Data updated: 2026-06-03
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-4000-and-solver/id1444394241/reviews.md

## What is Sudoku 4000 & Solver?

It is a Sudoku with 4 levels (1000 questions each) and solver.


Features

* 4 difficulty levels
* Hint(Get solution from notes)
* Notes with auto fill / erase option
* Auto-save
* Undo
* 19 color them

## Key features

- 4 difficulty levels
- Hint system
- Notes with auto-fill
- Auto-save
- Undo function
- 19 color themes

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sudoku-4000-and-solver/id1444394241/reviews.md

### 4/5 — Worth It

*2019-04-16*

Love that there is levels. Has been crashing for me lately in multiple games, why it is 4 stars.

## Frequently asked questions about Sudoku 4000 & Solver

### How many Sudoku puzzles does Sudoku 4000 & Solver offer?

Sudoku 4000 & Solver provides 1000 puzzles at each of its four difficulty levels, totaling 4000 puzzles.

### What are the difficulty levels in Sudoku 4000 & Solver?

The app features four distinct difficulty levels, allowing players to choose challenges that match their skill.

### Does Sudoku 4000 & Solver have a solver feature?

Yes, Sudoku 4000 & Solver includes a solver that can provide solutions, and it also offers hints that can be derived from your notes.

### Can I save my progress in Sudoku 4000 & Solver?

The app features an auto-save function, ensuring that your progress is automatically preserved as you play.

### Does Sudoku 4000 & Solver have ads?

Yes, Sudoku 4000 & Solver contains advertisements.

### What devices is Sudoku 4000 & Solver available on?

Sudoku 4000 & Solver is available on iPhone, iPad, and iPod.

### How often is Sudoku 4000 & Solver updated?

The app was last updated on March 25, 2022, with version 1.5.0.

### What is the age rating for Sudoku 4000 & Solver?

Sudoku 4000 & Solver has an age rating of 4+.

## Version history (last 5 releases)

### 1.5.0 — 2022-03-25

Bug fixes

### 1.4.0 — 2021-02-25

Bug fixes.

### 1.3.0 — 2019-12-31

Bug fixes

### 1.2.0 — 2019-12-13

- Add sound
- Improve performance (OpenGL ES -> Metal)

### 1.1.0 — 2019-10-19

* Added clear animation
* Change the number of hints to unlimited
* Change ad layout
* Bug fixes

## Apps similar to Sudoku 4000 & Solver

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Napoleon's Tomb Solitaire](https://appshunter.io/ios/app/napoleons-tomb-solitaire/id6480330623) | 5.0 (1) | Free | Games |
| [Sudoku : Humble Classic](https://appshunter.io/ios/app/sudoku-humble-classic/id1378548068) | 4.9 (19) | Free | Games |
| [STutor](https://appshunter.io/ios/app/stutor/id714298825) | 5.0 (1) | $0.99 | Games |
| [Sudoku Solver - Puzzle Game](https://appshunter.io/ios/app/sudoku-solver-puzzle-game/id1618814060) | — | Free | Games |
| [DoorTower](https://appshunter.io/ios/app/doortower/id6740500965) | 5.0 (1) | Free | Games |
| [NumberPlace -YOZAKURA-](https://appshunter.io/ios/app/numberplace-yozakura/id6747635800) | — | Free | Games |

## More apps by Atsushi Hanai

- [Tripeaks Solitaire(Card Game)](https://appshunter.io/ios/app/tripeaks-solitairecard-game/id1435761615)
- [Para EQ Player](https://appshunter.io/ios/app/para-eq-player/id1451473342)
- [Klondike Solitaire(Card Game)](https://appshunter.io/ios/app/klondike-solitairecard-game/id1453835374)
- [Pyramid Solitaire(Card Game)](https://appshunter.io/ios/app/pyramid-solitairecard-game/id1472298047)
- [Klondike Solitaire II](https://appshunter.io/ios/app/klondike-solitaire-ii/id6469581168)

All apps by Atsushi Hanai: https://appshunter.io/developer/1434592326

## Related topics

[atsushi hanai](https://appshunter.io/ios/topics/atsushi-hanai)

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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 2026-06-03.*