Check out Diffit, which takes URLs or text and re-levels the text and gives comprehension questions. [1] Also check out Quill, which is a nonprofit mostly focu

Check out Diffit, which takes URLs or text and re-levels the text and gives comprehension questions. [1] Also check out Quill, which is a nonprofit mostly focused on writing but moving into the reading comprehension area as well. [2] There are others as well, but it's not clear which will emerge as winners. 1: https://app.diffit.me/ https://app.diffit.me/ 2: https://www.quill.org/ https://www.quill.org/