Worst app, paid for an app that does not work. – InstaText - Circular Text.s & Font.s on Photo.s HD Review

Dear Developer, Please look at it. Whenever I try to add a text, the app crashes and closed. I paid for this app and never been able to use it. There is no option for refund as well.
Review by Pro iPader on InstaText - Circular Text.s & Font.s on Photo.s HD.