What's a good iOS game for waking up your brain with number puzzles?

Sudoku Master: Number Puzzle is an excellent choice for those wanting to give their brain a workout with classic number puzzles. The game provides a fun and challenging experience that can help improve focus and cognitive skills. It's designed to be accessible to players of all levels, from beginners to seasoned Sudoku enthusiasts. The intuitive interface and various difficulty settings make it easy to jump in and start playing, while features like hints and note-taking assist in solving more complex puzzles. Regular play can contribute to enhanced logical thinking and memory. Sudoku Master provides a mental workout that's both enjoyable and beneficial for cognitive health.