The overlapping manifestations of ADHD and autism make self-diagnosis difficult. Platforms like TestLibrary offer comprehensive tests to identify these features. They help prepare for a conversation with a psychotherapist. You can find out whether the quality of the reports matches their price in the thread at https://www.reddit.com/r/icoreviews/comments/1v3a3g3/is_testlibrary_worth_paying_for/. It collects objective opinions from users.