iPhone App Store - What is circular "download in progress" icon called

What is the name of the circular icon which appears after you tap GET and and lets you know when a download has been completed because the outline gets thicker as it goes around.
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Scott CSenior EngineerCommented:

Circle Progress Bar iOS Control.
RaminTechnical AdvisorCommented:
I'm not sure if it has any specific name in iPhone,  but it is a Progress bar / Progress Circle or a Circle Progress bar as noted by Scott.
JohnBusiness Consultant (Owner)Commented:
It just is the IOS way of showing a progress bar (windows). It fills slowly for a big update, rapidly for a small update and not at all for IOS updates (that is a different thing and I do these updates via iTunes because that is better for multiple phones.
Jackie ManIT ManagerCommented:
In the UI developer guide from Apple, only App Icon is mentioned.


Have a look of the link below of a good article of UI design in mobile devices for details.


So, it is called a loading app icon or just loading icon in iOS.


If you search for loading app icon in Apple Support website, you will see the relevant threads.

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brothertruffle880Author Commented:
Thank you Jackie!  Just what I was looking for.  I'm writing a manual and need to use the proper terms for the various UI elements.
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