What are the task managers with the ability to create a task tree?

Question

Task Management

Requirements:
1) Ability to create a task tree. For example, there is a task, but in order to implement it, you need to make a subtask, and in order to make a subtask, you need to make several subtasks branched off from it
2) Not overloading the interface with unnecessary details.
3) Application for iOS.
4) It is highly desirable that the application be for Windows as well.

Answer 1

asana.com
If we talk about minimalistic services - trello.com. True, the "task tree" is limited to two levels of nesting, and there subtasks replace the card checklists. That is, everything is simplified to the point of impossible.
In general, I prefer the trello approach and the general rejection of subtasks. Although sometimes it's easier to scatter subtasks among people ...

Answer 2

You can try Todoist . I do not use it myself, but many people praise it.

Answer 3

Nobody has surpassed MyLifeOrganized in this yet. Nesting levels, dependencies, contexts, georeference - there is almost everything you can think of. There is no full-fledged cooperative work, but there is a cloud (paid), synchronization, iOS / Android / Windows.
The main feature is that it shows at each moment only those tasks that should be performed right now.

Answer 4

Try my service upgrade.im It was from the tree of connections that we began to develop the idea. So far only web.

Answer 5

1) Quire.io
2) Asana.com