Quipper

Quipper - Build & Take Quizzes on Android and iOS

Quipper is a free tool for creating quizzes to be taken on iPhones, on Android tablets, and on Android phones. Quipper quizzes are multiple choice activities created by the community of users. As a Quipper quiz creator you can make your quizzes public or private.

When you create a quiz on Quipper you can include explanations for each answer. To create a quiz you can write each question and answer choice manually or you can import a spreadsheet of questions and answers. If you decide to try Quipper, keep in mind that quiz publishing isn't instantaneous.