The problem with asking for app recommendations is that with the recommendations, you're getting someone else's opinion on something that works for them.

Instead of seeking apps to solve problems that you do or do not have, determine what problem you need to solve, then seek out an app that solves that particular problem.

Even better? Determine if you're already using an app that has a feature that addresses this problem well. Simplicity is key when you're seeking technology solutions to human problems.

Finally, I'd recommend determining if you've got your bases covered in three key areas:

1. Time Management
2. Task Management
3. Knowledge Management

Have you solved these problems? If not, I can help...

Cheers,
Josh