You've downloaded six of them. Some were too simple. Some had too many features. Some required learning a system just to start using a system. And none of them actually changed how much you got done.
This isn't you. It's a design problem built into almost every productivity app.
The Overhead Problem
Most productivity apps are built to *organize* your life, not to *move* it. They are excellent at helping you capture, categorize, review, and maintain tasks. What they don't do well is answer the question you actually need answered every time you sit down to work: *what do I do right now?*
The result is overhead. You manage the app instead of doing the work. And the more powerful the app, the more overhead it creates.
Research on cognitive load in learning and performance contexts shows that system complexity actively competes with the mental bandwidth needed to execute tasks. When your tool requires effort to navigate, it steals from the effort you had available to work.