iOS Supported Language Codes (ISO-639)
How do you name that .lproj folder with your localization files?
Tweet Revised: January 2017 for Xcode 8
iOS supports 31 languages now, but only 21 languages are supported in iTunes Connect. That means your app can be localized into some languages, like Polish, but the app descriptions cannot.
Starting from iOS 8 — Your iOS apps can be in ANY language, even those Apple has not yet localized the system into. Users of iOS 8 can select any language and region from the new international options in the Settings app.
We've put together a table that will help you understand exactly which languages and regions you can serve with your iOS app, and the proper language codes (ISO-639) to use for your .lproj folders where you store the localizations.
Ready to localize? Upload your strings
We translate every language iOS supports (and a few others to keep us on our toes.)
|iOS Language||.lproj Language code (ISO-639)||iPhone/iPad||App Store|
|Chinese (Hong Kong)|
Does iOS support regions and languages not yet localized by Apple?
Answer: Yes, beginning with iOS 8.
— From the Apple Developer Guide:If necessary, you can use a language or locale code that is not known to the NSBundle class or Core Foundation bundle functions. For example, you could create your own language designators for a language that is not yet listed in the ISO conventions or available as a language in Xcode.
Summary: Mac OS X supports all regions and languages, as does iOS starting from iOS 8.
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