Words on Repeat is described as 'Vocabulary learning application that combines AI-powered content extraction with FSRS spaced repetition. Language learners can paste any URL, upload a PDF, or import YouTube subtitles, and the application extracts a study-ready flashcard deck with' and is a flashcard learning tool in the education & reference category. There are eight alternatives to Words on Repeat for a variety of platforms, including Android, iPhone, Web-based, Windows and Android Tablet apps. The best Words on Repeat alternative is Anki, which is both free and Open Source. Other great apps like Words on Repeat are AnkiDroid, RemNote, Memrise and Mochi.