Want a refund!!! – Slo-Square - Slow Motion For Instagram and Vine Review

Hello!!! I want a refund!!! This app does not work!! I add a video but it does not slow it down!!! This is a rip off- I have iPhone 5s....how do I get my money back????
Review by Gauthreaux105 on Slo-Square - Slow Motion For Instagram and Vine.