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iOS 3 can’t install from Safari. You can still download the IPA file, but you’re on your own after that.
Sudoku (Free)
  • Price
    Free
  • CategoryGames
  • First releasedFebruary 1, 2019
  • Versions5 archived
  • Installable4 of 5
  • AvailabilityStill on the App Store
  • SellerMighty Mighty Good Games

RequirementsCompatible with iPhone and iPod touch. Requires iOS 2.0 or later.

Customer Ratings

As of November 30, 2020
     
994 Ratings

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Top 100 free app for over a year. Rated "Best Sudoku Game of the Year" by Apple. Rated #9 Game of the Year by Apple. Rated #24 App of the Year by Apple with over 10,000 apps competing!

With unique handcrafted puzzles across four different skill levels, Sudoku (Free) is a great introduction to the fun and puzzle solving challenge of Sudoku.

OPTIONS

All options are on by default, but you can turn them off in the Options menu • Show Incorrect :: Shows incorrect answers in red. • Smart Buttons :: Disables the number button when that number is completed on the game board. • Smart Notes :: Removes the number from the notes in the box, column, and row that contains the cell with your correct answer.

FEATURES

• Multiple color schemes • Unique handcrafted puzzles • Four different skill levels • Challenge a friend • ALL puzzles are solvable WITHOUT guessing • 4 color schemes • "ALL notes": tap the "All notes" button on to show all the possible answers for each square. Tap the "All notes" button off to remove the notes. • Hints: shows the answer for the selected square or a random square when one is not selected • Pause the game at any time and resume where you left off • Best times, progress statistics, and much more

Do you want more? Try one of our other versions of sudoku which have all the same great features! * Look for our paid edition of Sudoku with 800 puzzles and more unique color schemes. * Or try Color Sudoku for a fun twist to solving sudoku puzzles. * For advanced puzzle solving, try Expert Sudoku to challenge your sudoku solving skills.

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To install apps directly onto this device, it must be jailbroken with AppSync installed.
1.0
Non-Retina
987 KB Encrypted Install Download
1.6
Requires iOS 2.0+
Non-Retina
1.3 MB Install Download 6 more copies ›
Sudoku-v1.6-CrackTM.ipa · 1.4 MB Install Download
Sudoku (v1.6 patched os20)-poedCrackMod.ipa · 1.3 MB Install Download
com.redkeysoftware.sudokufree-iOS2.0-(Clutch-2.0.4).ipa · 1.3 MB Install Download
SudokuFree 1.6.ipa · 1.6 MB Encrypted Install Download
Sudoku 1.6 (iOS 2.0) · 1.6 MB Encrypted Install Download
Sudoku 1.6 (iOS 2.0) · 1.6 MB Encrypted Install Download
1.8.1
Requires iOS 2.0+
Non-Retina
2.0 MB Install Download 1 more copy ›
Sudoku (v1.8.1 patched os20)-poedCrackMod.ipa · 1.9 MB Install Download
1.9
Requires iOS 2.0+
Retina
4.1 MB Install Download 4 more copies ›
com.redkeysoftware.sudokufree-iOS2.0-(Clutch-2.0.4).ipa · 4.1 MB Install Download
com.redkeysoftware.sudokufree-iOS2.0-(Clutch-2.0.4).ipa · 4.1 MB Install Download
Sudoku_1.9_AppDoctor.ipa · 4.6 MB Encrypted Install Download
Sudoku(v1.9)_document.ipa · 6.0 MB Encrypted Install Download
1.10
Requires iOS 4.0+
Retina
October 16, 2012
7.7 MB Install Download 4 more copies ›
com.redkeysoftware.sudokufree-iOS4.0-(Clutch-2.0.4).ipa · 7.6 MB Install Download
com.redkeysoftware.sudokufree-iOS4.0-(Clutch-2.0.4).ipa · 7.6 MB Install Download
SudokuFree 1.10.ipa · 8.9 MB Encrypted Install Download
Sudoku_1.10_AppDoc.ipa · 8.9 MB Encrypted Install Download

Chart History

Top Free View chart ›
Peaked at #221 (November 27, 2010) · 1 archived capture · Nov 2010
Top Free · Games View chart ›
Peaked at #41 (November 9, 2009) · 7 archived captures · Nov 2009 – Apr 2011

Ratings Over Time

sampled from 8 archived captures
DateVersionRatingRatingsPrice
February 19, 2010 1.7.1f — 135,823 Free
May 19, 2011 1.9f — 187,232 Free
May 28, 2012 — — 189,373 Free
July 18, 2013 — — 191,480 Free

From archived App Store listing data, captured by the Wayback Machine.

Archived Reviews

8 of 25
Love this game
     
by Gme9! · April 28, 2026

Love this app and game . Levels are great. Expert is hard wish there was maybe one more level but I can play this endlessly on any level and I still enjoy it

Fun Game
     
by calvinhobbesfan · December 31, 2025

Enjoying the game!

No Ads
     
by Harobed3 · May 21, 2026

So far this is the only sudoku I’ve found with no ads, although it seems more challenging, which is ok.

Good
     
by beJillian · February 11, 2026

Good for a free app.

Sudoku
     
by Sapphire 2401 · May 8, 2026

This Sudoko is addictive. I play everyday.

Great game for kids and adults
     
by MichaelJames1600 · October 26, 2025

Easy to understand and has a great option for notes.

Best free game
     
by Scooty Puff Sr. · May 25, 2026

Good free game

Best Sudoku app
     
by MegaM4n · September 27, 2025

See title. No obtrusive ads, just game.

Period reviews recovered from Apple's customer-review feeds via the Wayback Machine.

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