With the staggering amount of task-management apps out on the market, we shouldn't think in terms of which one is "best" but rather which one is "best for you." Todoist is a web based task-management app that offers all of the basics you expect via to-do lists. However it has one killer feature that makes it incredibly useful for my specific needs. Namely nested lists.
Todoist separates your lists into projects and then tasks, which can be added on the website and accessed via their handily iOS app. You can even add subtasks for an extra layer of detail. For example to help with keeping track of chores around the house, I made a project called Chores. In that project each room is listed as a task, with su