Name: Memrise
Category: Language Learning
URL: http://www.memrise.com/
This application is web-based and not specifically an iPad app.
Memrise is free web site designed to make learning languages engaging, fast, effective, and fun. You can try the site as a guest or create an account and track your lessons. Mandarin, French, Spanish, German, Italian, American English SAT Vocabulary are their featured languages. You can also try out Japanese, Pali, Korean, Latin, and Russian.
In testing, the site experience was identical to on both iPad and laptop.