Disadvantages:
- Next activity in a "ToDo" can only be entered via free text. (Please read the book. I have Profession. A ticket system, where that is handled better)
- No subtasks
Benefits:
+ Assignment of tasks by tags, locations, categories (lists)
+ Due date, priority, and adjustable repetition
+ Easy shortcuts for all important information when you create a task
+ Various sorting and filter options
+ Extremely fast possible to create a new task
+ Generic lists
+ Synchronization of data between devices
+ Super Support
+++++ Web frontend
Especially the latter is an incredible relief. It is many times easier to manage the tasks on a normal PC via a web browser with no additional costs, but thanks also to sync all have the same mobile phone on it.
It's just so much fun to manage with this tool its activities quickly and efficiently.