The most popular app to manage your tasks and todo lists. It integrates with Google Tasks, Outlook tasks, Office 365 tasks and OneCalendar.

OneTask Features

Manage all online tasks and todo lists

View and manage your online tasks:

Manage tasks

Manage task lists

Work Offline

No internet connection is needed to view and manage tasks.


Search all your tasks


Choose the most beautiful colors out of 170 options, pick your favorite background picture and select your own text color.

Multiple Languages

English, Dutch and more coming soon.


OneTask is now available on Windows and Windows Phone. Download Now!.