Wunderlist is a cloud-based task management application. It allows users to manage their tasks from a smartphone, tablet and computer. Wunderlist is free; additional collaboration features are available in a paid version known as Wunderlist Pro (released April 2013). Wunderlist was created in 2011 by Berlin-based startup 6Wunderkinder. The company was acquired by Microsoft in June 2015. As of June 2015, the app has over 13 million users.