Top quality software products and creative apps for your iPhone, iPod touch & iPad

Primo Kakuro

Best Way to Play Kakuro!

Primo Kakuro Overview

"Primo Kakuro is a beautiful, highly addictive game that actually challenges your mind and can make you smarter. This is a rare thing among the vast multitude of addictive time wasters on the App Store."

"The game has been executed so well that it is definitely worth the price."

"Primo Kakuro is a must-have for your iPad and/or iPhone/iPod Touch games collection. Highly recommended!"

4.5 stars out of 5, Game on Mac
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Primo Kakuro Puzzles
    Top quality puzzles are the key ingredient of a great gaming experience. Our team of math and science PhDs developed a world-class proprietary puzzle generator just for that purpose. And every puzzle is guaranteed to have a single solution which can be found through pure logical deduction.


Primo Kakuro Puzzles
    Primo Kakuro is loaded with powerful features that will enhance your gaming experience and help you become a kakuro master.
Primo Kakuro Puzzles
    Three pencil mark modes and a multi-color feature, dynamically updating cross sum displays, error highlighting and other great features support any gaming style - from assisted to fully manual.


Primo Kakuro Puzzles
    Primo Kakuro app has a gorgeous design that compliments its powerful features and great puzzles. Enhanced with visual and sound effects, the app's zen styling with bamboo wooden textures has a calming and relaxing feel.
Buy It Now

Available on the App Store

Current Version: 1.1

Languages: English


Primo Kakuro and Primo Kakuro Lite are compatible with any iPhone, iPod touch or iPad running iOS version 4.1 or later.


  • 8 new puzzle packs available for in-app purchase ( 4 levels - 400 puzzles) in the full version.
  • Multi-color pencil mark feature.
  • Game Center Achievements support.
  • Various minor fixes.



  • Primo Kakuro and Primo Kakuro Lite fully support high-resolution Retina display on iPhone 4 and iPod touch.

Puzzle Packs

  • Primo Kakuro includes 410 puzzles in 9 level packs:
    • Intro 5x5, Easy 9x9, Easy 12x10, Medium 12x10, Medium 14x12, Hard 14x12, Hard 16x13, Evil 16x13, Evil 18x14
  • Primo Kakuro Lite includes a variety of 40 puzzles in 5 mini-packs:
    • Intro 5x5, Easy 10x10, Medium 13x11, Hard 15x12, Evil 17x13
  • Also get Primo Kakuro HD for your iPad which includes different, even larger puzzles (only the Intro 5x5 mini-pack is the same in all versions).


  • Puzzle zoom/scroll feature that makes it possible to comfortably solve large puzzles even on a small iPhone/iPod screen.
  • Row/column cross sum displays that show all possible number options for a selected cell.
  • Smart Marks mode that automatically places and removes pencil marks in the whole puzzle based on your input numbers.
  • Semi-automatic auto delete and fully manual pencil mark modes.
  • Error highlighting, erase all pencil marks and puzzle restart features.
  • Puzzle timer and sound effects ON/OFF switches.
  • Built-in help pages and kakuro tutorial with an animated demo.
  • Beautiful visual effects.
  • Classic and glass tile skins for the puzzle appearance.


Click here to download a collection of descriptive texts (English) and high quality graphics for all versions of Primo Kakuro. Feel free to use these materials when you write about us.


Periodically, we publish free printable kakuro puzzles which can be downloaded in PDF format. More on this page.