Dear Sir,
I am fascniated to find this job that suits for me.
I have rich experiences with Mac OS app developement and iOS App Development.
Last 5 years, I have been developing apps using Xcode.
And I have developed many iOS apps that enables users to login with their social network accounts.
I can help you with all my experiences and efforts, and you will get the wonderful result after 10 days.
I am waiting for your reply,
Regards,
Feng Liu