iClicker vs. Imagine Learning Classroom (formerly LearnZillion)

iClicker is an intuitive and flexible student engagement tool that drives student engagement and understanding. iClicker can be used to take attendance, facilitate active learning, and complete in-class quizzes using either mobile devices or iClicker remotes. Developed by educators from the University of Illinois, it is currently used at more than 1,200 institutions, and has been used by over 5,000 instructors and 10 million students.

LearnZillion is an education curriculum and software company with a mission to empower teachers to provide the education that every student deserves. It provides the materials, tools, and support that teachers need to implement the highest-quality curriculum. Founded by two educators in 2011, LearnZillion is used by more than 1 in 3 U.S. teachers.