iMasterGerman Pro app for iPhone and iPad
Der/die/das, verbs, strong verbs, modal verbs, nouns, adjectives, etc. The key to mastering German is mastering the german grammar, which fortunately builds on a strict set of rules. This little utility app is the pro version of the iMasterGerman app. It presents more sets of both simple and more advanced rules of the german grammar along with a numerous collection of examples, idioms, common abbreviations etc.