WebStorm project format is fully compatible with that of Xcode. Projects created with WebStorm can be opened with Xcode and vice versa.
Project settings refer to a set of preferences related to resources, file colors, version control options, code styles, etc. Project settings are stored with each specific project as a set of xml files under the .idea folder.
You can configure project settings on the two possible levels:
In this part:
Find descriptions of the other specific configuration procedures in the relevant procedural parts.