In addition to being able to use the Fotopedia Reporter from the web, there's now an app. Choose from thousands of public domain images to create and share digital stories.
This free version combines electronic and paper assessment for quick grading. Teachers can access pre-loaded Common Core standards and create unlimited answer sheets.
Flashcard Exchange works much like Quizlet but with a slightly cleaner interface. Students can create flashcards with images or their own text and then test themselves. Flashcards can be published and shared as well. It does work with some apps for review on mobile devices.