# Expert Sudoku Book Stress Free

> Samurai Hyper Jigsaw Cross X

Canonical page: [https://chrome-stats.com/d/id1056202953](https://chrome-stats.com/d/id1056202953)

## Overview

- **ID:** `id1056202953`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Boy Howdy Technology LLC
- **Category:** Strategy
- **Rating:** 4.80 / 5 (1,676 ratings)
- **Version:** 1.46
- **Last updated:** 2026-06-03
- **First published:** 2015-12-12
- **Size:** 64 MB
- **Data as of:** 2026-09-03
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/expert-sudoku-book-stress-free/id1056202953)
- **Website:** [http://boyhowdytechnology.com/expertsudoku](http://boyhowdytechnology.com/expertsudoku)
- **Privacy policy:** [http://boyhowdytechnology.com/privacy/](http://boyhowdytechnology.com/privacy/)

## Description

Experience 160,000 Sudoku puzzles across four difficulty levels in a 100% free Chrome extension. No timers—play at your own pace, with auto-save so you can pause and resume anytime.

Explore four puzzle variants (X, Hyper, Jigsaw, Samurai), plus helpful features like dual-keypad input, pencil marks, auto-highlighting of conflicts, hints, and a check-work tool. Undo, easy navigation, and customizable hints create a relaxing, stress-free puzzle experience.

## Rankings

- #42,982 — Overall

## Review summary

Most mentioned points: the app is praised for engaging, challenging puzzles across several versions and a clean, distraction-free UI with easy note-taking; ads are unobtrusive and support is responsive. Common requests include adding a timer and more features (bookmarking/redo), alongside occasional stability issues like input glitches. Overall, it’s seen as a highly addictive Sudoku experience with room to grow through feature enhancements and bug fixes.

### Pros

- Engaging and highly challenging with multiple puzzle levels and variants (including Samurai).
- Clean, thoughtful design with easy-to-use notes and minimal clutter.
- Addictive and consistently enjoyable; players report it’s hard to put down.
- Ads are unobtrusive, with minimal interruptions (small bottom banner or none between games).
- Responsive customer support that provides quick, helpful responses and issue follow-ups.

### Cons

- Missing timer feature; many reviewers wish for a built-in timer.
- Occasional glitches and instability in play, including input-related issues and pausing.

## Similar extensions and apps

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- [Mister Sudoku](https://chrome-stats.com/d/id369602654) — 4.70 / 5
- [Expert Sudoku](https://chrome-stats.com/d/id294193726) — 4.40 / 5
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- [Sudoku Plus - Number Puzzles](https://chrome-stats.com/d/id6446406315) — 4.00 / 5
- [Sudoku: Brain Puzzle Classics](https://chrome-stats.com/d/id1596983365) — 5.00 / 5
- [Mini Sudoku!](https://chrome-stats.com/d/id6752538448) — 4.80 / 5
- [Sudoku ~ Classic Number Puzzle](https://chrome-stats.com/d/id1435821249) — 4.70 / 5
- [Sudoku-Expert](https://chrome-stats.com/d/id1641677021) — 4.00 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1056202953)
