ℂKey - Customisable Keyboard allows users to build their own keyboard, offering the freedom to choose the keys and layout. Ideal for math and science tasks, enthusiasts of unique keyboard configurations, or those seeking to personalize their typing experience. Users can explore premade layouts and access a range of features to enhance their keyboard design.

With ℂKey, users can add keys to their keyboard, organize keys into multiple pages, and benefit from editing features and customization options. The app includes a unicode character picker for discovering new characters to integrate into the keyboard design. Users can experiment with different layouts, including QWERTY, Dvorak, specialized symbol layouts, math-focused layouts, and more.

Additionally, ℂKey provides a user-friendly interface for editing panes and keys, allowing for seamless customization resembling the keyboard's layout. From altering key functions to adjusting appearance settings, users have extensive control over their keyboard design. The app also offers options to export and share keyboard configurations, enhancing collaboration and backup capabilities.