Once you assign a task to someone, they get a notification on Karo if they have the app. Otherwise, the app first sends them a chat on WhatsApp, and if that fails, a reminder via text message.

A to-do list app called Twos is approaching this problem differently. When you add a task, it can suggest actions that might be relevant.

This dead-simple, to-do app takes minimalism to the max If Evernote, Todoist, and Google Tasks aren’t hitting the mark, Focus.txt might be the task management maestro you never knew you needed.

Microsoft has launched a new to-do list app called Microsoft To-Do, which is available in preview today on the web, iOS, Android, and Windows 10.