Not Evil Sudoku

Not Evil Sudoku

Clean, Minimal and No Ads

920 ratings
224 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • April 14, 2022
  • July 21, 2026

Features

Not Evil Sudoku screenshot #1 for iPhone
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Not Evil Sudoku screenshot #5 for iPhone
iphone
ipad
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About

Enjoy a distraction-free Sudoku experience with helpful features like hints and real-time validation. Track your progress, compete globally, and customize the app with themes. Play daily puzzles for free or upgrade for unlimited games and advanced statistics.

โœ“Fully offline play
โœ“No ads or distractions
โœ“Real-time move validation
โœ“Shake for hints
โœ“Daily puzzles with leaderboards
โœ“Customizable themes and icons
โœ“Notes and auto-clear notes
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What users say

See all reviews

What's New in Not Evil Sudoku

3.7.5

July 21, 2026

Bug fixes for notes changing on app restart, hint engine and GIF replays!

1

In-App Purchases

$4.99

Pro

Unlimited Games, Charts, Themes and more!

Events

Read more about 2024 Recounted

2024 Recounted

Your Sudoku Journey in 2024

Dec 26, 2024 โ€” Jan 4, 2025

User reviews

Amazing

No ads, simple, and just very fun

Best Sudoku App

You can feel the person that made this actually cares about the game. Not spamming ads everywhere just play unlimited sudoku forever, easiest sudoku app iโ€™ve used by far

Amazing.

Amazing game. Very good. Im proud of you. Continue being amazing. Make harder levels. I love this. Amazing. Fantastic.

Thank you

One of the few apps made simply for user enjoyment. Thank you for not selling us to the advertisers. That really is the best part of your wonderful game. Love the "old school" setting. Wish the rankings could be filtered by old school ๐Ÿค”

Fun and No Ads

Truly not evil. Not selling my soul to a corporate who doesnโ€™t care if I play the game. This Sudoku is a hero

User experience

๐Ÿž

Reported Bugs

2 issues

Disappearing numbers when closing the app

Bug

Numbers swapping to incorrect spots

Bug
โœจ

Requested Features

6 requests

Add auto-clear notes option without move validation

Feature

Provide more theme color options

Feature

Implement a 'warm' mode similar to other sudoku apps

Feature

Add ability to remove notes after number is placed

Feature

Highlight all instances of a number in the puzzle

Feature

Remove a number as a choice when it has been placed successfully

Feature

FAQ

What is Not Evil Sudoku?

Not Evil Sudoku is a mobile application designed to provide a clean, minimal, and distraction-free Sudoku-solving experience. It is built natively for iPhone and iPad and offers features to assist both casual and professional players.

What are the key features of Not Evil Sudoku?

Key features include fully offline play, no ads, real-time move validation, shake-to-hint functionality, leaderboards, customizable themes, and the ability to take notes. It also offers daily puzzles with adjustable difficulty and tracking for streaks and best times.

How much does Not Evil Sudoku cost?

The app offers a free version with daily puzzles and core features. An optional one-time purchase unlocks the Pro version, which provides unlimited games, detailed statistics, additional themes, and alternate app icons. Pro features support Family Sharing.

What devices is Not Evil Sudoku compatible with?

The app is built natively for iPhone and iPad, ensuring an optimized experience on Apple mobile devices. It can be played fully offline, meaning no internet connection is required to enjoy the puzzles.

What are some common use cases for Not Evil Sudoku?

Users can play daily puzzles to challenge themselves, practice new solving strategies, or simply relax with a logic game. The app is ideal for quick brain breaks, long commutes, or whenever a Sudoku fix is desired, with or without an internet connection.