We released our new app named Leitner on App store which is suitable for learning new vocabulary words:
1- Create a new box.
2- Make your flashcards and add them to the box.
3- Tap the Review button to study and edit made flashcards.
4- Tap the Leitner button to start Leitner system.
5- Leitner will ask you cards at increasing time intervals, if you memorize.
App store URL: