Duolingo Screenshot – learn a second language for free with this iPhone, iPad (Mini), and iPod Touch app Published December 4, 2012 at 640 × 960 in Learn a new language for free with Duolingo App for iPhone, iPad (Mini), and iPod Touch Duolingo has multiple different learning methods including reading, writing, listening, matching, etc. The lessons progress in difficulty and you can even challenge a friend to learn with you! Share this:FacebookLinkedInTwitterPinterestRedditMoreEmailTumblrPrint