# Budbrain's Sudoku

> Budbrain's Sudoku (iPhone/iPad app by Josef Sejrek.)

- Source: https://appshunter.io/ios/app/budbrains-sudoku/id6768384354 (this page in markdown: same URL + `.md`)
- Developer: [Josef Sejrek](https://appshunter.io/developer/481227872)
- Category: Games, Family, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 44 MB
- Languages: American English
- Released: 2026-05-12
- Data updated: 2026-07-30
- User reviews in markdown: https://appshunter.io/ios/app/budbrains-sudoku/id6768384354/reviews.md

## What is Budbrain's Sudoku?

Budbrain's Sudoku is a lovingly crafted Sudoku game with 100 levels — from gentle 4×4 boards for beginners to challenging 25×25 grids for veterans. The warm notebook design with pencils, rulers, set squares and little coins on the desk turns every level into a small break.

FEATURES
• 100 levels in 10 stages — board sizes 4×4, 6×6, 8×8, 9×9, 10×10, 12×12, 15×15, 16×16, 20×20 and 25×25
• Rectangular boxes like 2×3 or 3×4 included — for finely tuned difficulty steps
• 3-star rating per level — depending on how efficiently you played
• Achievements gallery: every solved Sudoku saved as an image with time, date and your stars
• 22 languages with auto-detection (Deutsch, English, Français, Español, Italiano, Português, Nederlands, Polski, Čeština, Magyar, Română, Svenska, Dansk, Suomi, Ελληνικά, Türkçe, Русский, 日本語, 中文, 한국어, العربية, עברית)
• Pinch and double-tap zoom (1× to 4×) — perfect for small cells and low vision
• Full VoiceOver support with localised announcements for every cell and every action
• Soft background music and sound effects with separate volume sliders
• Automatic save — pick up exactly where you left off
• Auto-pause when the screen turns off
• Plays entirely offline

GREAT FOR
Relaxing Sudoku sessions on the couch, short breaks during the day, or a focused attempt at the 25×25 grid.


## Version history (last 5 releases)

### 1.5 — 2026-07-30

Better graphics

### 1.4 — 2026-07-29

Fixed: Pictures of solved sudokus in Achievements could vanish after an
update. They come back on their own. Progress, stars and best times stay
untouched.
If a picture is really gone, the app redraws the solved board.
Thanks to ace tester Markus D. from L. for the bug report!

### 1.3 — 2026-07-13

Bug fixes, Hint max 3 limit, level restart und daily sudoku

### 1.2.2 — 2026-06-12

Undo now counts as a move.

### 1.2.1 — 2026-06-09

Improved highlighting: row and column in one color, matching numbers in a distinct color so they're easy to spot.

## More apps by Josef Sejrek

- [Budbrain's Puzzle](https://appshunter.io/ios/app/budbrains-puzzle/id6767809351)
- [jsKassenrechner](https://appshunter.io/ios/app/jskassenrechner/id6767844081)
- [Budbrain Music](https://appshunter.io/ios/app/budbrain-music/id6767859733)
- [DuoDom](https://appshunter.io/ios/app/duodom/id6767910027)
- [Budbrain's Marbles](https://appshunter.io/ios/app/budbrains-marbles/id6769474323)

All apps by Josef Sejrek: https://appshunter.io/developer/481227872

---

*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 2026-07-30.*