If you're looking for a simple and easy-to-use app to manage your tasks, Simple To-Do List by Ralf Winkelmann is worth a try. This free Android app allows you to create and organize your to-do's into groups and subgroups, making it easy to keep track of your tasks.

One of the best features of Simple To-Do List is its appealing design and easy handling. The app is user-friendly and straightforward, allowing you to quickly add, edit, and delete tasks. You can also set reminders and repeat reminders for your tasks to ensure that you don't forget anything important.

Another great feature of this app is the ability to create groups and subgroups for better clarity. You can easily categorize your tasks by project, priority, or any other criteria that works for you. Plus, the app offers a dark theme and different colors to customize your to-do lists.

Overall, Simple To-Do List is a great choice for anyone who wants a no-frills app to manage their tasks. It offers all the essential features you need in a task list without any unnecessary bells and whistles. And the fact that it's free makes it even more appealing.