It's because they are charging $9.99 instead. If you look at the FAQ you will see the pricing breakdown. It's only free to use for a limited number of texts. Th

It's because they are charging $9.99 instead. If you look at the FAQ you will see the pricing breakdown. It's only free to use for a limited number of texts. There should be some text on the page that says something like, "free to use for small classrooms and affordable plans for large ones."