Can anything other than the person themselves turn off their location sharing?

I share my iPhone location with my girlfriend (obviously she does with me also) but when I Looked earlier it kept saying "location unavailable." so when I asked she went and turned the share location back on and said that Instagram probably turned it off whenever she didn't want it to know her location.

So I guess I'm just wondering if any third party applications can do that or if it has to be done manually

Not 100% sure, but I'm guessing that apps can request to use location sharing, so when you agree to all of those things that most don't read, you are probably giving different apps that ability.

Generally the setting only applies to that specific app. There are probably some apps out there that can turn off your main setting, but the instagram app isn't one of them

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