Todo apps are meant for whoever is successful with them. Find your workflow, it might be a todo app, or it might not.
The new one will be "have your AI call my AI and ..."
[0] https://essaywriteronline.co/what-does-have-your-people-call...
So that it wouldn't suggest yard work during a lightning storm or drilling at midnight. =)
I'd actually pay a monthly subscription to a service like that, especially if it could ingest my personal data (calendar, email, todo-lists) securely.
It's really quite effective, and I find that much of the problem (aside from cost!) is uncomfortably stripped down to just UX.
Which is fun, but not what I signed up for when I got obsessed about this whole thing...
Kind of clunky but if a proper chat + todo + llm hybrid was made, then that would be something worth exploring.