Thank you for the mention of ProProfs. If you or your reader/students have any questions about our service, please feel free to contact us at our support email and we are glad to help.

We are currently actively working on the quiz section and are enhancing that with a new features and improved usability every week. Our immediate project is to automate feedback to quiz author on question difficulty levels, average score etc based on scores & responses of quiz takers. You’ll find a lot of new and interesting features in the coming few weeks. All our features are free to use and we appreciate your feedback on additional features to add.

Thank you for brining our service to the attention of your readers. I hope you students find our flashcards section useful as well. It is located at:
http://www.proprofs.com/flashcards/
Thanks
Sameer
Founder & President
ProProfs.com