App has gone haywire on IOS and OS

Latest updates big step backwards. App has gone crazy.  Screen jumps up and down. Links to articles take you someplace else.Black SA bar along the top drops down and intrudes on ability to read articles.Happens daily now on iphone 11 and current generation ipad and Samsung hardware.It is a lot of work to use your app. Unistalling and. Reinstalling does not fix. HELP......HELP....HELP.