# Stress Free Sudoku Game Book!

> 200,000 Puzzles, Easy-Expert

Canonical page: [https://chrome-stats.com/d/id640720527](https://chrome-stats.com/d/id640720527)

## Overview

- **ID:** `id640720527`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Boy Howdy Technology LLC
- **Category:** Trivia
- **Rating:** 4.80 / 5 (10,368 ratings)
- **Version:** 1.38
- **Last updated:** 2026-06-10
- **First published:** 2013-05-10
- **Size:** 55 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/stress-free-sudoku-game-book/id640720527)
- **Website:** [http://boyhowdytechnology.com/boyhowdysudoku/](http://boyhowdytechnology.com/boyhowdysudoku/)
- **Privacy policy:** [http://boyhowdytechnology.com/privacy](http://boyhowdytechnology.com/privacy)

## Description

Stress Free Sudoku Game Book delivers 200k puzzles across five levels, with no timers and a relaxing, distraction-free experience. It features a fast dual-keypad input, auto-erase pencil marks, and auto-highlighting to help you stay focused.

Other standout features include unlimited undo, hints and check work, progress is automatically saved, customizable sound options, and the ability to play offline and listen to your own music.

## Rankings

- #17,142 — Overall

## Review summary

This Stress Free Sudoku app is praised for its ad-free experience, no timer, broad difficulty options, helpful UI features like number highlighting and separate notes, and offline play. Users appreciate the simple, relaxing interface and the ability to check work. Common drawbacks include a clunky pencil input, lack of highlighting for completed squares, presence of banner ads and desire for an ad-free version, missing bookmark feature, and accessibility issues with contrast. Overall, it's a solid, stress-free Sudoku with strong customization but some UX and feature gaps.

### Pros

- Ad-free experience (major positive; many reviews praise the lack of ads)
- No timer, relaxing and stress-free gameplay
- Wide range of difficulty levels with strong customization (hints, errors, menus)
- Helpful input and feedback features (two number-entry sets, separate notes vs answers, color highlighting, ability to check work)
- Offline play and simple, clean interface

### Cons

- Pencil input is clunky and requires two steps to place a number
- Completed squares are not highlighted, making it harder to track progress
- Banner ads or ad crawl present (desire for a fully ad-free version)
- Missing bookmark feature to save progress at branching points
- Accessibility issue: low contrast with completed numbers/text

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Source: [Chrome-Stats](https://chrome-stats.com/d/id640720527)