3.55 version problem – Hiking & Skiing - PeakVisor Review

Hi, been using your app. Has been working great. Updated today to version 3.55. Tried to open after update and home screen shows up. App does not work now. Running IOS 12.5.1 on an IPhone 6. Help! Lenny
Review by Cert7 on Hiking & Skiing - PeakVisor.