Find someone you can reasonably expect to be an expert. The author of a well reviewed iOS book, app, library, toolkit, framework, whatever. Have them review cod

Find someone you can reasonably expect to be an expert. The author of a well reviewed iOS book, app, library, toolkit, framework, whatever. Have them review code samples or even interview candidates over Skype. It shouldn't cost more than an expensive recruiter. And still cheaper than hiring the wrong person.