Worst $2 Ive ever spent. Sad apple is still selling it

It doesnt work!! Dont buy. I want a refund. I also want apple to step up and not allow terrible apps that dont work to be sold in their App Store. I tried to range a target I had about 150 yards off. It said 4.5 yards. Pathetic attempt guys!

Rellys4 about Range Finder: Field Helper, v1.1