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I had Facebook downloaded usually it's 198 MB but when I downloaded it last week it was 80
 
I had Facebook downloaded usually it's 198 MB but when I downloaded it last week it was 80
It's always been under 100 MB (at least partially to keep it under the 100 MB download limit on cellular). Perhaps the total app size when you ran the app already and some thing got cached got to 198 MB (and can certainly get much larger), but that's not the size of the app itself or the installation that you get from the app store (which is compressed also).
 
Facebook is 198 MB??? What the heck? Does it come with video effects?
 
I'm going to start using the word "bug" at work now. You see I didn't realize it could be used interchangeably with "piss poor planning".
 
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It's always been under 100 MB (at least partially to keep it under the 100 MB download limit on cellular). Perhaps the total app size when you ran the app already and some thing got cached got to 198 MB (and can certainly get much larger), but that's not the size of the app itself or the installation that you get from the app store (which is compressed also).
Yea after it was installed its was a high amount. Right after updating to iOS 9 I checked after updating Facebook and the app size decreased
 
Thanks for the link, because I was behind to wonder if app thinning actually worked.

My available storage dropped by 200-300MB despite many app updates.
 
My apps don't seem to be getting any thinner. Is anyone seeing reduced sizes yet when they get updates?
Developers need to enable it by tagging assets in their apps. A task which will take time. As they release app store updates you will see them thin. It was only enabled yesterday so expect it to be months before you see any changes.
 
Will it take an app update to reduce app size or do you have to reinstall them?
Apple has given developers the ability to support app thinning. Developers will have to release an update to their apps supporting it. You'll download that as a regular update.
 
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