Localization is feature provided by iOS which translates your app into multiple language.For Localisation,Internationalization is necessary.Internationalization is process of making iOS app able to adapt different culture,language and regions.
Localization in iOS
Create an individual
Localizable.strings file for each language. The right side would be different for each language. Think of it as a key-value pair:
Access str in Objective-C:
Access str in Swift: