Orgzly - Outliner for notes, tasks and to-dos
Mochi - Write notes and flashcards with Markdown and study them with spaced repetition.
All Note Pro - All Note Pro app contains features to enable users to write their new ideas and important details on their mobile phone to share them with the outside world.
Harken - Flashcard app using smart repetition to improve your memory
Light Notes - Light Notes app features options to help users easily taking notes to remember important details and instructions. You can add new notes by entering the title, description and selecting the tile color according to the priority of the task.
Cloudbite - Bite-sized cloud learning with spaced repetition