
Improve your pronunciation
Hear audio in 20+ languages and see pronunciation in IPA, kana, or pinyin.
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Type a single word or paste your custom vocabulary list.

Flexi creates up to 5 cards with translations and examples.

Review cards with a smart algorithm for permanent retention.
Enter a word or phrase. Flexi suggests up to 5 cards with translations, examples, pronunciation, and parts of speech. Choose the ones you need and save.

Review the right cards at the perfect time. Our spaced repetition algorithm schedules reviews just before you forget, locking vocabulary into long-term memory.


Hear audio in 20+ languages and see pronunciation in IPA, kana, or pinyin.

Stay motivated with smart reminders and interactive home screen widgets.

Seamlessly import your current flashcards from Anki, Quizlet, and CSV files.

Chat with your tutor inside any card for guidance and feedback.

Turn your own word list into cards. Or generate a custom set for any topic.

Jot down new phrases instantly and convert them into flashcards later.
Flexi makes it super easy to add new words, and the automatic generation of example sentences with those words is an absolute game-changer.
I love the spaced repetition algorithm. It shows you the words right before you forget them and strengthens recall.