# Sudoku — Classic Number Puzzle — Daily Puzzles & Brain Training

> Daily Puzzles & Brain Training (iPhone/iPad app by Bruno Herzog.)

- Source: https://appshunter.io/ios/app/sudoku-classic-number-puzzle/id6777118920 (this page in markdown: same URL + `.md`)
- Developer: [Bruno Herzog](https://appshunter.io/developer/6774253245)
- Category: Games, Education, Puzzle, Trivia
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 98 MB
- Languages: American English
- Released: 2026-07-07
- Data updated: 2026-07-28
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-classic-number-puzzle/id6777118920/reviews.md

## What is Sudoku?

Sudoku — Classic Number Puzzle is a beautiful, distraction-free Sudoku app — no ads, no fuss, just pure puzzle solving.

Train your brain with four difficulty levels, from relaxed Easy puzzles to challenging Expert grids. A new Daily Challenge puzzle awaits you every day — the same puzzle for everyone, perfect for a shared experience.

Features:
• 4 difficulty levels: Easy, Medium, Hard, Expert
• Daily Challenge — new puzzle every day
• Hints system with smart suggestions
• Undo — never lose progress
• Auto notes for advanced players
• Timer & mistake tracking
• Achievements to unlock
• Statistics to track your progress
• 12 accent colors & 3 backgrounds
• Dark mode support
• No ads, no tracking, no subscriptions

Premium (one-time, €4.99):
Unlock Hard & Expert levels, unlimited undo, unlimited hints, all colors and backgrounds.

Made with love by Rixdorf Studios in Berlin.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium | $3.99 | one-time |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |
| Extra Large Tip | $8.99 | one-time |
| Tip XXLarge | $12.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-07-07

No release notes.

## More apps by Bruno Herzog

- [Solitaire · Classic Card Game](https://appshunter.io/ios/app/solitaire-classic-card-game/id6774253243)

All apps by Bruno Herzog: https://appshunter.io/developer/6774253245

---

*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 2026-07-28.*