Zippycal is a full version, iPhone calendar app developed by Good Binary Limited, categorized under Business & Productivity. Its unique feature is that it presents each day's events against a familiar clock face, allowing users to quickly see how their time is looking. The app also includes an Apple Watch app, which makes it even more convenient to keep track of your day from your wrist.

Adding an event is as simple as dragging your finger around the clock face, and the details of an event can be viewed and edited with just a tap. The 30-day look ahead view allows users to easily scroll through their schedule and see how their mornings and afternoons are looking. Additionally, Zippycal allows users to set meeting limits, which blocks out time between meetings to allow for work time. Users can also set their start and end of working days, and easily switch between their working day and evening event schedule.

Zippycal utilizes the built-in Calendar app services to support all of your current calendars. Overall, Zippycal is a fun, practical, and easy-to-use calendar app that provides a unique way to manage your daily schedule.