I used to do it but I haven\'t done it in a while and i\'ve added to my game. Don\'t remember where on Xcode I can check the approximate app store size of my app.
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I can't see the "Estimate Size" in Xcode (Version 7.0.1).
Following with josefdlange , I can find the "Show in Finder..." when I Click the header detail view(small icon) .
The organizer in xcode no longer shows this info for some reason. However if you archive your project and in the organizer right click on the file you archived and click "show in finder" and you will be able to see the size when you right click and choose "get info".
The Organizer has this functionality for Archives. So, you'll need to create an archive:
To find out what's the size of the file that user will download from the App Store, you need to do the following.
Export your archive for testing outside the store.
Select “Export for specific devices” and choose “All compatible device variants” from the pop-up menu.
Select "Rebuild from bitcode." EDIT: this step doesn't exist since as late as Xcode 9.4.1.
For more information take a look at apple docs.