We only take into account the time where you and your students are both connected to a class at the same time. As a tutor, it means that you can spend time alone preparing your classes for free. Your students can also connect back to the class as many times as they want, even when you are not connected.
Yes, our Tutorsbox for organizations service provides an API allowing a tight integration between your own website, your users and Tutorsbox. Our system blends seamlessly into most websites allowing you to provide tutoring or collaboration services right on your own site - your users are automaticaly logged in and Tutorsbox application is customised to your colors.