+SUDOKU Free is AD-FREE sudoku with UNLIMITED puzzles at ANY TIME and the ability to switch between MULTIPLE ACTIVE GRIDS. Start off with our first difficulty level for free! The other levels are available in our full version: +SUDOKU.

+SUDOKU is featured in the WIRED MAGAZINE APP GUIDE.

* It's completely AD-FREE!
* It's FAST: No lengthy intros or slow animations.
* It's EASY to use: BIG buttons avoid fat-fingering.
* It lets you keep NOTES, just like paper Sudoku.
* It supports UNDO and REDO operations.
* It features AUTO NOTES options.
* It can HIGHLIGHT CONFLICTS and ERRORS.
* It offers MANY OPTIONAL input and display SETTINGS.
* It keeps your solve time STATISTICS.
* It plays YOUR iPOD MUSIC and nothing else.
* It supports the RETINA display.
* It works completely OFFLINE.
* It's UNIVERSAL: Works on iPad, iPhone, and iPod touch.

The "easy" level is great for a quickie puzzle on the go. Or, upgrade to +SUDOKU and try "diabolical" for a sleepless night of puzzle solving. With 6 distinct difficulty levels, +SUDOKU always has a puzzle ready for any occasion! And with multiple active grids, you can always put one aside when you're stuck and go back to it later.

Enjoy,
The friendly team at mindthefrog :)