Please note that the planydo is a web service and the app just make an access to your tasks and tracking projects.

Planydo is a simple, powerful and flexible tool to manage projects and teams online
You just add your team members, their skills and your projects details, Planydo automatically generates to do list of persons and Gantt Chart of projects.
Having tasks on the phone home page as widget make it very easy to access tasks and report the progress.