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Stress Free Sudoku Game Book!

Stress Free Sudoku Game Book!

200,000 Puzzles, Easy-Expert

10K ratings
216 reviews
With Ads
🎮 Games
📚 Education
🏰 Strategy
🧠 Trivia
Free
With Ads

Details

  • Released
  • Updated
  • May 10, 2013
  • June 10, 2026

Developer

Boy Howdy Technology LLC
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Stress Free Sudoku Game Book! screenshot #1 for iPhone
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About

Enjoy a relaxing Sudoku experience with over 200,000 puzzles across five difficulty levels. This game offers no timers or penalties, allowing you to play at your own pace. Features include helpful highlighting, undo support, and automatic progress saving.

✓200,000 Sudoku puzzles
✓5 difficulty levels
✓No timers or penalties
✓Full undo support
✓Highlighting features
✓Automatic progress saving
✓Hint and check functions
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What users say

Summarized from real user reviews of Stress Free Sudoku Game Book!. Based on 10K reviews and a 4.8/5 average, it highlights the 5 positives and 2 negatives reviewers mention most about this game.

Positive things

  • 🚀Great for brain exercise
  • 👍User-friendly interface
  • 👍Variety of difficulty levels
  • 👍Helpful features like error checking
  • 👍No time constraints or ads

Negative things

  • 🐛Occasional issues with higher difficulty levels
  • 💡Could use more customization options
See all reviews

What's New in Stress Free Sudoku Game Book!

1.38

June 10, 2026

• Updated for the latest iOS Thanks for playing! Search for "Boy Howdy Technology" to see all our free games!

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User reviews

Most RecentHighest RatedLowest Rated

No time clock = stress free

My favorite sudoku app because there’s no time clock. Truly a lovely way to unwind.
MegBSJMegBSJ

Sudoku

Calms me down and offers space from the craziness of the world.
Serum’s OmiSerum’s Omi

Boy Howdy sudoku

This phone app is great!
It allows for choice of difficulty to allow for skill level. It highlights the selected number by color highlighting all of chosen number on the board. The “menu” offers several game modes: difficulty, errors, hints, etc. I use it daily! Two keyboards eliminate the need to continuously toggle keyboard settings! 😊
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robert28654robert28654

Great app

I tried several apps after the one I had for several years is suddenly no longer available. This was the only one I found that was similar. I like having the double set of numbers. The only thing is I wish that there was more contrast with the completed numbers.
bensjensbensjens

LOVE SUDOKU

First thing in the morning
DsellertDsellert
See 211 more reviews

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User experience

🐞

Reported Bugs

2 issues

Incorrect number placement on higher levels

Bug

App crashes after recent OS update

Bug
✨

Requested Features

3 requests

Dark mode option

Feature

Ability to create custom puzzles

Feature

Leaderboard or progress tracking

Feature

FAQ

What is this app?

This app is a free Sudoku game offering over 200,000 puzzles. It is designed for a relaxing experience with no timers or penalties for incorrect moves. You can enjoy solving puzzles at your own pace.

What are the key features of this Sudoku game?

Key features include a vast library of 200,000 puzzles across five difficulty levels, no timers, full undo support, and helpful highlighting options for numbers and conflicts. It also offers a hint function and automatic progress saving.

Is this app free to play?

Yes, the app is 100% free to download and play. While the description mentions 'free with in-app purchases', the core gameplay and all puzzles are accessible without cost. Any in-app purchases would be optional enhancements.

What are the different difficulty levels available?

The app provides five distinct difficulty levels: Very Easy, Easy, Medium, Hard, and Genius. This allows players of all skill levels, from beginners to experienced Sudoku enthusiasts, to find a suitable challenge.

Can I play this game on different devices?

The provided description does not specify compatibility with different operating systems (like iOS or Android) or device types. However, it does mention that progress is automatically saved, allowing you to switch between apps and return to your game.