Translation Apps.
Papago Naver:
https://papago.naver.com/
Line:
Line uses Papago with a chat bot.
https://apps.apple.com/app/line/id539883307
You need to add the eng-kor (English-Korean) translator account.
And then you can create a chat with a new person and that account and it will translate.
Naver Hanja Dictionary: