Simple Puzzle 9×9 – Train your brain with clarity Looking for a relaxing yet stimulating puzzle game? Simple Puzzle 9×9 offers a clean, minimalist design with a large, easy-to-read interface, perfect for all ages. (Made for my elderly father’s brain training. Best experienced on iPad with its larger, easy-to-see screen) Features 9×9 classic number logic puzzle Large, high-contrast screen for easy visibility Minimalist and distraction-free design Great for daily brain training and cognitive support Lightweight app with smooth performance Banner ads only, no intrusive full-screen ads Why Simple Puzzle 9×9? This app is designed for everyone—from beginners to seniors—who want to enjoy a simple puzzle experience without complicated menus or overwhelming options. It’s perfect for keeping your mind active, improving focus, and supporting cognitive health. Download now and make Simple Puzzle 9×9 part of your daily brain exercise! Made in Japan with simplicity and care.