Grid9 Sudoku

Grid9 teaches you how to solve Sudoku, not just what the answer is. When you are stuck, it shows which technique applies, so every puzzle makes you a better solver. FREE • Puzzles in several difficulty levels, easy to pick up • Explanations of every solving technique • Hint overview: see which techniques have a hit, and how many • Pencil marks with automatic candidates • "Larger numbers" option for easier reading • A tutorial and a tour of a solving routine GRID9 PREMIUM • Practice technique: solve real puzzles using the technique you are learning • Full hint walkthroughs: Where to look, Which cell, Why it works, then Apply • Enter custom puzzle: type in a puzzle from paper, a book, or another app and get help Start with a 2-week free trial, then Monthly: $2.99 per month or Yearly: $19.99 per year. Prices may vary by country and currency. Payment is charged to your Apple Account at…