Inaccurate – Tuner Lite by Piascore Review

It’s either I’m blind or it doesn’t work for trumpet, when I play an F, It says D, when I play C, It says A, so nothing is accurate, I need an ANWSER if it doesn’t work for trumpet or I’m blind, if it doesn’t work for trumpet, please fix it, if I’m blind, i don’t really know
Review by Kingdino789 on Tuner Lite by Piascore.