How can I detect ,my app is running in the iphone simulator?

Following way we can determine the our App is run in simulator

    NSString *model = [[UIDevice currentDevice] model];

    if ([model isEqualToString:@"iPhone Simulator"])

    {

        

         NSLog(@"device is simulator");

    }

or

NSLog(@"My device is  %@",[[UIDevice currentDevice] model]);