Even Snapchat is struggling with how to make their App easier to use. It's the old developer's adage that Easy is Hard.
Here's an article about Snapchat and why they are struggling with Easy
Snapchat CEO wants Snapchat easier to use
Their new user increase was falling. So what do you think. Is their new UI disruptive? The idea was to separate social from media. They are having a tough time competing with Facebook’s Snapchat clone, Instagram Stories.