Not 100% relevant to this thread, but if it helps, I've had success with http://www.icanlocalize.com for localizing apps. They assign a human translator for your strings and are accommodating with custom directions you might have. They'll even take your strings file from Xcode.
(Disclaimer: I'm not affiliated with this site, your mileage may wary.)
(Disclaimer: I'm not affiliated with this site, your mileage may wary.)