Task - using Astrid, I find it really helpful and detailed with how much information you want in your task. I like it better than the standard calendar app that comes with your Android phone. The thing I like about Astrid is that it syncs with the the standard calendar app

When I say more detailed, you can select what level of importance the task is, enter a firm deadline date and your goal deadline. You can have it so that Astrid 'nags' you to finish your task with repeated reminders. There's a 'note' option where you can put more details about the task. There's a hidden task for future task that you don't want to see now, it shows up when you the date you set it comes. It also has a widget.
List: Turbo list though I'm just experimenting with this atm.
- can have multiple lists
- I can send my list via email/Facebook/mail/messaging. It also seems to sync with my Note app (Note everything)
- it has a voice recorder that you can dictate your list
- you can send an sms with the items you want in a list to turbo list and it'll have the list recorded. you use the following format: 'TurboList: item, item, item'
- what made me chose this one is that I can check mark off the items when I'm done

- the only thing I don't like is that there's a add on the home page

and don't know why it'd requires my location in permission.
My goal is to find a FREE app that will have everything: Task, List and a good Note function. lol