This tutorial can be a great way to learn react native app development. You can build your own snapchat clone app as well as learn various react native tools and packages. However, I guess the screenshot results of coding implementation can be kept in each step. Nonetheless, a great tutorial, stepwise explanation of each step was easy to grasp and understand. In case you want a social app like snapchat or Instagram clone app without getting your hands dirty into coding from the beginning, you can definitely try out the Instagram clone app templates.