If you're asking because you're looking for a free alternative, I can suggest a few authorized, free alternatives to the paid app!
Files with complex, unofficial names, especially ".ipa" files from unknown websites, are often used to distribute malware or unauthorized, modified versions of apps (often referred to as "tweaked" or "cracked" apps). If you're asking because you're looking for a
This looks like a version of AnkiMobile Flashcards , the official iOS application for the Anki spaced-repetition system. I can suggest a few authorized