It's a to-do list app with reminders compatible with iOS14 home screen widgets.
All features are completely free to use.

Features:
- Unlimited number of folders
- Color folders
- Sort folders
- Display the number of tasks in the folder list
- Select icon badge display for each folder (number of unchecked tasks)
- Add tasks at once (separated by line breaks)
- Check tasks with one tap
- Automatically move checked tasks to the bottom
- Batch delete checked tasks
- Color tasks
- Move / duplicate tasks between folders
- Share / copy tasks
- Sort tasks (move to top / bottom at once)
- Sort tasks by color at once
- Check / uncheck all tasks with one tap
- Due date / notification (alert) settings for tasks (supports repeated notifications)
- Supports iOS14 home screen widget (folder selectable)
- Icon badge display (number of unchecked tasks)
- Supports dark mode
- Free & no additional charge
- @icons8.com

URL scheme:
todolist://