Ejecting from Create React Native App "Ejecting" is the process of setting up your own custom builds for your CRNA app. It can be necessary to do if you have needs that aren't covered by CRNA, but please note that aside from the use of version control systems (git, hg, etc.) it is not reversible. If you see the reason you'd like to eject, click the link for a short explanation of the options: I wa