Here are some apps that might be helpful for students with dyslexia, autism, visual impairments, and writing challenges.
https://www.educatorstechnology.com/2016/01/a-handy-chart-featuring-over-30-ipad.html?fbclid=IwAR0TW8e_BAKD6qjsqqGC54_bmILj7C1gKWRDemvyGf8JYYjwa2Z486PGLj8