iPhone - detect nearby bluetooth devices

Is it possible to find bluetooth-enabled devices near my iphone from an app? I am able to do it using the GameKit framework, but that开发者_开发百科 has a limitation that both devices must have my app installed and running.

Is there a way to detect iPhone devices nearby using bluetooth even if they are not running the same app?

Thanks.

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Not really. Apple doesn't give the iPhone much Bluetooth interactivity, except for the wireless headphones and what you can do with GK.