This is a little library to access the embedded provisioning profile in iOS apps.

NSString *mobileprovisionPath = [[[NSBundle mainBundle] bundlePath]
    stringByAppendingPathComponent:@"embedded.mobileprovision"];

TCMobileProvision *mobileprovision = [[TCMobileProvision alloc] initWithData:
    [NSData dataWithContentsOfFile:mobileprovisionPath]];

NSString *profileId = mobileprovision.dict[@"UUID"] ?: @"simulator";

The code is released under the Apache License 2.0.