For readers who are looking for a basic to-do app, Remember the Milk can help by breaking tasks down into smaller parts. For those who don't need the bells and whistles of more complex professional apps, it hits the sweet spot between functionality and simplicity of use. Sign up is free, and requires nothing more than an email address. From there, use the template to add tasks, enter their due date, assess their level of priority, put them on repeat when necessary, and tag them, among other tricks and tips. Then the app will remind you of what you need to be doing, wherever you are, whenever the time is right. The app also includes a subtasks category, which breaks larger tasks down into smaller, more manageable pieces, so that you can make headway on even the largest projects.