This article goes in depth on why certain features in apps stick and others don't. If a feature isn't used regularly, it may as well not exist in your app. That's not to say that some features that are rarely used can't be an important part of your app, but we must understand that very few features in your app will actually determine its 'stickiness'. If your app doesn't have sticky features, users will move to one of your competitors soon.
Why ‘Feature Blindness’ Is Killing Your App’s Retention and How You Can Fix It from AppCues