Sudoklue is a comprehensive Sudoku app for iPhone that not only allows you to solve puzzles but also teaches you the step-by-step techniques to become a Sudoku master. Whether you input a puzzle from a newspaper or let Sudoklue generate one for you, this app guarantees an enjoyable and educational experience.

One of the standout features of Sudoklue is its ability to create true expert-level puzzles. If you're tired of other Sudoku apps that lack challenge, Sudoklue will push your limits and make you think. It offers five levels of difficulty, including "pull your hair out" levels for the most dedicated Sudoku enthusiasts.

With Sudoklue, you can work on puzzles from any newspaper, magazine, or book. Additionally, you have the option to create your own unique puzzles, adding a personalized touch to your Sudoku-solving experience. The app also provides detailed and easy-to-understand hints, ensuring that you never get stuck.

Sudoklue offers a range of convenient features, such as a virtual pencil for making notes, full Undo/Redo functionality, and the ability to verify your current work with a single tap. It even has a button that fills in all pencil marks, saving you time and effort.

Whether you're a beginner looking to learn the basics or an experienced player seeking new challenges, Sudoklue is the perfect companion. It will guide you through the primary solving techniques, provide a complete puzzle analysis, and offer a difficulty rating for each puzzle. With Sudoklue, solving any Sudoku puzzle becomes a breeze.