Broken on 8+ – SparkPeople Calorie Tracker Review

Cannot sign in with fb on my new iPhone 8+ after setting it up today. Website works but mobile app keeps saying I’ve logged in previously and then I click continue and it basically takes me back to the sign in page and stays there over and over and over. And they actually ask us to pay for this?
Review by Veronica Anne W. on SparkPeople Calorie Tracker.