Crashing problems!!!

I love StumbleUpon, used it for years. There is an issue with the latest version crashing on my iPhone 6 128gb. It was crashing on launch, so I deleted and reinstalled. It was working, but then as soon as I leave the app and try to return to it, it crashes on launch every time. Fix the crashing for a 5 star rating!

Mr. Morrissey about StumbleUpon, v5.4.3