The offline version of the app allows text translation, photo translation as well as a phrasebook. One of the unique features of Microsoft Translator is the possibility of a private chatroom between two users, where each user can type in their own language which then gets automatically translated to the recipient’s language.
This is another trusted and established free translation app that supports 44 languages offline, and works on both Apple and Android operating systems. The app is available for download on the Google Play Store as well as the App Store.