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That explains the difference, but what's the purpose?
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The simulator doesn't have a camera. The android emulator allows to configure the camera and use a picture, it's very handy to test your qr/barcode reader without needing to use a physical device. Maybe this also allows to use an image as camera?
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You cannot run Network Extensions on the simulator
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You can test your application, game, website without a physical phone?
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Can do that with the simulator too
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Running on ported userspace components, with a shim, isn't the same as running on the OS in itself.

That really matters, sometimes.

But not the vast majority of the time.

(source: been coding iOS since pre-SDK iPhone OS 1.0)

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Can you give some examples of where it matters? I'm genuinely curious.
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Last I checked, VPN network extensions wouldn't run in the simulator.
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Is the simulator faster than this? I would suspect so.
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Spam. Click farms. Etc.
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It would also make testing far easier. I got bit with something that failed on real life iPhones with language set to es_US that worked fine on the simulator.
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oh. is this why icloud spam texts are running wild now
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No, it’s just trivial to generate iCloud email addresses that won’t get picked up by spam filter.
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If functional, you can download apps from the App Store, sign in to iCloud.. probably do a bunch of agentic stuff as if you had a real device
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Looks like apple services compatibility is not currently supported for this [0]

[0] https://github.com/Lakr233/vphone-cli/discussions/175

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Exactly. It means it cannot download apps from the App Store or use Apple services and Apple knows this deliberate limitation.
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