Sudoku Sova - Number Puzzle

Most sudoku apps tell you WHAT to put in a cell. Sudoku Sova teaches you WHY. Meet Sova, your technique-based sudoku coach. Stuck? Hints unfold in three gentle steps: first the area to look at, then the name of the technique, and only then the full lesson. Placed a digit yourself? Tap "Why is this right?" and Sova names the deduction you just made — hidden singles, pointing pairs, X-Wings — so next time you'll see it on your own. FIVE GRIDS, ONE COACH • Classic sudoku, seven levels from Fast to Master — and Extreme above them, where two-string kites, finned X-Wings, unique rectangles, BUG+1 and XY-chains live • Killer Sudoku: cages and sums, coached step by step • X-Sudoku, Windoku and Jigsaw: the diagonals, the four windows, the irregular regions — each with its own four levels and its own lessons • A Daily Challenge in all of them — the classic grid, the killer, and whichever variant…