x2y is a user-friendly aspect ratio calculator designed for iPhone, iPad, and iPod touch users, particularly beneficial for designers and web developers. The application streamlines the process of resizing images and videos by automatically calculating dimensions and percentages based on user inputs. Users can select from a list of common aspect ratios or customize their own, making resizing tasks quicker and more efficient.

The app offers a variety of features, including the ability to swap x and y coordinates, double or triple dimensions, and solve for specific percentages. Additionally, x2y provides options for rounding results, selecting different color themes, and syncing preferences across iOS devices via iCloud. It is also designed to be accessible, conforming to screen sizes and supporting Voice Over for visually impaired users, ensuring a comprehensive and inclusive user experience.