This is especially good if you want to practice the correct spelling of words. The more questions you answer correctly, the more difficult the cards become. On the front side there is a question and when you want to see the answer, you flip the digital flashcard. There are 5 different learning modes that add a bit more variety to the learning process: Quizlet takes a slightly different approach to mere flashcard functionality. Just like Anki, Quizlet also lets you create your own flashcard decks or take advantage of the countless ready-made decks that you can download for free.
While you can also add new motivating and colorful elements to Anki with gamification add-ons, Quizlet is clearly ahead in this respect. Unlike Anki, Quizlet focuses even more on learning in a playful way.