Appell Publisher: TU Graz Genre: Education Released: 29 May, 2019 Size: 15.5 MB Price: FREE! Click here to request a review of this app App Store Info Description Appell is a language learning app. Its aim is to support students during their language courses. Typical supporting tools are cloze exercises, MC-Quizzes, translations, voice records, video information and much more. Screenshots Screenshot 1 of 11