No warning of in app upgrades

I should have stuck to coaches eye. Purchased this one in the hope I could screen record with timer on it. It comes back with messages saying I should upgrade to pro. After I spent an inordinate amount of time figuring out how to edit the video with timer

JulianaReedLA about CMV+ Slo-mo Video Analysis with Stopwatch Splits-Timer, Frame-by-Frame & Rotate from CoachMyVideo