Penny Dell Jumbo Crosswords is a crossword puzzle app available for iPhone, iPad, and iPod touch. Developed by Three Across LLC., this app features 150 crossword puzzles, including Easy, Medium, and Hard difficulty levels. It also includes alternate clues for each word, making it a unique feature among crossword puzzle apps.

This app offers additional help for users who might need it. Hints are available for both the current letter and the current word in every crossword puzzle. The app also offers a Smart Step navigation feature that allows users to effortlessly move from one entry to the next.

Users can choose between using a pen or a pencil for solving the puzzles, depending on their confidence level. The crossword puzzle grid and text entry boxes are both available for solving, providing flexibility for users.

To ensure accuracy, the app includes a Show Errors button that allows users to check for any mistakes they might have made. Multiple settings options are available, allowing users to customize their solving experience.

Overall, Penny Dell Jumbo Crosswords is a user-friendly crossword puzzle app that offers a wide range of puzzles with varying difficulty levels. Its unique features, such as alternate clues and hints, make it a valuable tool for crossword puzzle enthusiasts of all skill levels.