If you're asking because you're looking for a free alternative, I can suggest a few authorized, free alternatives to the paid app!
This looks like a version of AnkiMobile Flashcards , the official iOS application for the Anki spaced-repetition system. If you're asking because you're looking for a
It is highly recommended to only download AnkiMobile from the official Apple App Store to ensure security, stability, and proper updates. I can suggest a few authorized