Originally Posted by TrevorM
Audiotools is accurate. Mic capsule is compensated for (ipad/iphone mics are supported -no other manufacturers.). External mics work as well but you must use a mic preamp interface.
I don't believe that is a free app though correct?
REW is, but i have nothing to run it on (not a laptop house).

"Those who preach the myths of audio are ignorant of truth."