"With its beautiful interface, and gestural interactions you already know how to use, it's the future of todo lists."

The Onion's approach marries the freedom of designing and developing for a web browser with the single-purpose focus of a mobile app. Apple lets developers embed access to a version of the firm's mobile Safari browser. This is typically used to allow a program like a Twitter client to render and show a web page without switching over to Safari. Mr Greer's team went a step further, handling nearly all content within the embedded browser instead of developing or licensing its own display and database system.