swift: is there any way to Download a language pack to give offline translation feature

Question

I'm trying to give a feature like google translate app where user can download multiple languages and see translations in those.

More specifically, I need to implement offline language translation. Like a user write some text and wants to translate it in some other language (Spanish or German) without internet.

Is there any way to do that? I'm not able to find anything about this. Please guide me through if someone knows about it.

Thanks.