The Expo Development Client (or dev client) is a React Native library that aims to bring the speed and convenience of the Expo Managed workflow to projects that wish to leverage native modules not included in the Expo SDK.
The dev client is currently in a closed beta. To get early access and help shape the future of the project, please fill out this survey: https://forms.gle/sxdSuLax7uCBGLd7A