The most uncommon feature in iBox is, you can set a language for each contact in your contact through iBox. So, when ever you replied or messaging him/her through iBox will send that message in that saved language.
you can save languages to all contacts independently.
And you can set your language from iBox settings. So that you can get translated all inbox messages by iBox in that language.
It supports :
keywords: inbox, inbox message translator, send message in other languages, linguistic inbox