Kilenc — Classic Sudoku

Kilenc is a relaxing classic Sudoku for iPhone and iPad. Offline forever — no ads, no tracking, no accounts, no internet needed. • Beginner ramp with three gentle steps before you tackle Standard. • Standard difficulty — Easy, Moderate, Hard, Expert. • Custom mode with three knobs: clue count, technique ceiling, intensity. Every puzzle has exactly one solution, guaranteed. • Per-tile live scoring with Gold / Silver / Bronze medals. • Stats tab: best score per difficulty, last 7 / 30 days, daily streak, total time invested. • Hints that actually help — Kilenc points at a specific cell and names the technique you can apply: "Look at row 3, column 7. There's a cell with only one possible value." 11 human-style techniques across four tiers. • Pencil-mark drafts that grey out impossible digits before you write them; undo; same-digit highlighting. • Light, Dark, or follow-system. 25 languages, instantly switchable. • iPad layout in all four orientations; hardware-keyboard friendly. Kilenc never makes a network request. Your saved games live in a JSON file in the app's sandboxed storage. Deleting the app removes everything.