How to change the app language

1. Go to your phone settings → General → Language & Region.
2. Tap Change.
3. In the list of your Preferred language order, tap and drag your language to the top of the list.
4. Tap Done → Next.

   If your language is not in the list, tap the Add language link on the Language and region screen. Select your language, tap Done, and confirm your choice.

Go to the app menu and tap  → Settings → App language and select your language.