The online SAT was much easier than the written version, because (1) You don't have to read big essays anymore in the reading part, and (2) both math sections have the Desmos graphing calculator, with absolutely no features taken out. Desmos is far more convenient to use than a TI-84 for many things, so it made all the problems, especially the hard ones, much easier.

Also, in my opinion, their Bluebook testing software is actually pretty good, especially compared to other digital testing software I had to use over the years, like ClearSight.