Version: Unity 6 (6000.0)
Language : English
iOS Build Settings reference
On-demand resources

App thinning

App thinning is an optimization process that lets you create applications that use most device features while occupying minimum disk space.

For more information, refer to What is app thinning?(Apple).

You can implement the following two major components for app thinning with Unity:

Topic Description
On-demand resources (ODR) Explains ODR and the steps required to use it with your application.
App slicing Describes the process of app slicing and how to change variants in your project.
iOS Build Settings reference
On-demand resources