# Sudoku Notebook: Pen and Paper — Pen-and-paper number puzzle

> Pen-and-paper number puzzle (iPhone/iPad app by Cem Bugra Soybas.)

- Source: https://appshunter.io/ios/app/sudoku-notebook-pen-and-paper/id6818596629 (this page in markdown: same URL + `.md`)
- Developer: [Cem Bugra Soybas](https://appshunter.io/developer/6811425766)
- Category: Games, Board, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: American English, German (Germany), Turkish
- Released: 2026-10-10
- Data updated: 2026-10-21

## What is Sudoku Notebook?

Place the digits 1 to 9 exactly once in every row, column and 3×3 box.

• Four difficulty levels: Easy, Medium, Hard and Expert
• Every puzzle is freshly generated and has exactly one solution
• Notes mode: pencil in candidates; they clear themselves when you place the right digit
• Undo, erase and hints
• Highlights matching digits, plus the row, column and box
• Remaining digit counts on the number pad
• Best time for every level
• Your game saves automatically, so you can pick up where you left off
• Earn gold by solving puzzles and spend it on hints
• Your gold balance syncs across your devices with iCloud
• iPhone, iPad and Apple Watch, light and dark mode
• No ads, no data collection, no internet needed to play

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 100 Gold | $0.99 | one-time |
| 550 Gold | $4.99 | one-time |
| 1200 Gold | $6.99 | one-time |


## Is Sudoku Notebook safe?

Not enough ratings yet to assess Sudoku Notebook.

## Is Sudoku Notebook legit?

Sudoku Notebook: Pen and Paper has limited verification signals. The AppsHunter Legitimacy Score for Sudoku Notebook is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-10-18

Introducing the daily puzzle!
• Everyone gets the same puzzle each day. Build a streak and earn bonus gold every day.
• Missed a day? Save your streak with a streak freeze.
• Daily archive: play past days' puzzles from the calendar.
• Home Screen and Lock Screen widgets, plus an Apple Watch complication.
• Optional evening reminder.
• New hint: "Show the way" explains the next step without giving away the answer.
• Settings: hide mistakes, a 3-mistake mode, auto-clear notes, haptics.
• Statistics, result sharing, and optional Game Center leaderboards and achievements.

### 1.0 — 2026-10-10

No release notes.

## More apps by Cem Bugra Soybas

- [Ödev Odak](https://appshunter.io/ios/app/odev-odak/id6811425764)
- [Kumbaram: Piggy Bank Goals](https://appshunter.io/ios/app/kumbaram-piggy-bank-goals/id6822587874)
- [Recharge: Screen Time Battery](https://appshunter.io/ios/app/recharge-screen-time-battery/id6823730426)
- [3-2-1: Football Trivia Duel](https://appshunter.io/ios/app/3-2-1-football-trivia-duel/id6823977513)

All apps by Cem Bugra Soybas: https://appshunter.io/developer/6811425766

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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 2026-10-21.*