Expo Per App Language

expo-per-app-language is a config plugin that lets you define the supported languages for your Expo app, enabling users to choose their preferred language directly from the app settings.

Installation

npx expo install expo-per-app-language

Configuration in app config

{
  "expo": {
    "plugins": [
      [
        "expo-per-app-language",
        {
          "languages": [
            "en",
            "fr"
          ]
        }
      ]
    ]
  }
}

Options for Android and iOS can be specified separately:

{
  "expo": {
    "plugins": [
      [
        "expo-per-app-language",
        {
          "languages": {
            "ios": ["en", "fr"],
            "android": ["en", "fr"]
          }
        }
      ]
    ]
  }
}

[!NOTE] On Android, refer to the locale naming guidelines and the list of most commonly used locales. On iOS, use the language name or ISO language designator.

Example

🍎 iOS

https://github.com/user-attachments/assets/d4131b9b-d04e-4e9a-b9b3-ff12a92d0f1d

🤖 Android

https://github.com/user-attachments/assets/0a81104b-b98b-4cd9-87a1-41e49df51814