Kahoot is a cool tool for classroom assessments. It is web based and works on all types of devices. It allows the teacher to give pre made or impromptu quizzes and polls, while adding in an element of gamification to the classroom.
Crafted using a design-led approach, Kahoot! is a web-based mobile and tablet friendly platform. With a simple user experience, it creates a social, fun and game-like environment in the classroom.