Paper Sudoku: Classic & Killer app analytics for October 20

Sudoku is best on paper. Paper Sudoku is the only app that keeps it that way. Write your numbers with Apple Pencil, in your own handwriting, exactly as you would in a puzzle book - then let the iPad handle the parts paper can't. No smudged pencil marks, no rubbing a hole in the page, no starting the whole grid again because of one wrong digit twenty moves ago. NEW IN VERSION 4.0 Killer Sudoku, written by hand - cages, sums and all. Mini. Quick 6x6 games, for when you have a few minutes rather than an hour. More puzzles, and difficulty recalibrated from the ground up - with far more at expert. Learn now walks you through advanced strategies step by step, showing exactly which cells each one rules out and why. Writing rebuilt from the ground up: strokes land faster, automatic note recognition is more reliable, and games are far easier on the battery. Paper Sudoku now speaks Spanish, French, German, Italian, Portuguese, Japanese, Korean and Simplified Chinese as well as English. WRITTEN, NOT TAPPED Built for Apple Pencil from the first line of code - not a number pad with handwriting bolted on. Pencil marks and candidate notes stay in your own hand, and when you would rather not write out a full set, notes fill themselves on demand. FOR EVERY SOLVER Highlighting to trace a digit across rows, columns and boxes. Check the whole grid for errors with a single tap. Unlimited undo and redo, so an experiment costs you nothing. And the interactive Learn mode teaches the strategies themselves, from the first scan of a grid to the techniques that crack an expert. Unlimited puzzles. Every one playable offline, anywhere - a puzzle book that never runs out.