The onboarding process is essentially a series of screens that guide users through the app’s interface and functions. Onboarding is indeed a very important step of your users’ journey on your app, as it is that first point of contact with your app. It starts right after user launches your app for the first time. Onboarding screen is a perfect place for you to show your product key features, promote latest changes & features and its value. So here are 40 Best Mobile App Onboarding UI Examples for inspiration to make the perfect first impression on users.