This is a super easy app to view and quickly grade student work. I am using it in class and am really enjoying it. It has replaced uploading files on myMitty.
Go paperless in your classroom! With Showbie, you can quickly and easily assign, collect and review student work on your iPad, then provide rich feedback to your students by adding annotations, text notes and voice notes directly onto their documents. Students can show their learning creatively by submitting to Showbie from thousands of compatible iPad apps, or by completing assignments with Showbie’s built in tools. Showbie keeps everyone organized with individual student assignment folders, email and push notifications.
Lots more how to videos @ https://www.youtube.com/user/showbieapp