LOVING; Bright, simple interface with big buttons and gratifying celebration of accomplishments
HELPFUL; Get a hint about what to do next, if you are ever completely stuck. Or ask the app to make the next move for you.
FORGIVING; Undo mistakes and redo masterful moves
BOUNDLESS; The best puzzles and endless amounts of them
NURTURING; Five difficulty levels; Ranging from Easy - puzzles that may be solved without note-taking - to Grim; where you will need all your SuDoKu-Fu and hinting is turned off for the hard parts of the puzzles.
INSIGHTFUL; Both automatic and manual note-taking
ILLUMINATING; Optional match- conflict- and error-highlighting
FREE; No upgrades or hidden costs