Unable to Record – RØDE Rec Review

I bought the well reviewed Rode i-XY but upon realizing I couldn't adjust gain bought the Rode Rec app. Design of the app is dismal. Record button is inactive so I can't record. I have an iPhone 6s. Customer service took almost two weeks to respond to a help request and advised me to make sure I didn't have a phone case on. This is not a good experience. Very disappointed.
Review by Bwstud on RØDE Rec.