Poll: What task scheduler do you use?

Todoist, Trello, or a regular calendar? Poll: What task scheduler do you use? />

Even a small to-do list is much more convenient to keep in an app than in your head. And if there are a lot of projects and tasks, you simply cannot do without a planner. And while many still prefer paper, digital services are more versatile: they are available on different devices, and forgetting a notebook is easier than leaving your phone at home.

If you switched to electronic planners, what application do you use? Maybe you combine different services for maximum effect? Share your experience and recommendations in the comments!