12 Mobile Apps That Grammar Geeks Just LoveEnglish grammar is certainly not easy to master. With seemingly endless rules, exceptions, and things to learn, it's not hard to understand why so many have difficulty with presenting perfect grammar. But there's good news for grammar geeks and those who aspire to become them: there is no shortage of mobile apps for honing your grammar skills. Dictionaries, quizzes, and even games offer great ways to work on grammar, even on the go. Check out our list to find 12 great mobile apps for grammar geeks and students alike.