Google Translate is free supports 133 languages and works on both iOS and Android. I tested it across four countries in Europe and here's my honest review of whether it's still one of the best translation apps for international travel.
Die Welt verstehen und in anderen Sprachen kommunizieren ? mit Google Übersetzer. Übersetze Texte gesprochene Sprache Bilder Dokumente Websites und vieles mehr auf all deinen Geräten.
Understand your world and communicate across languages with Google Translate. Translate text speech images documents websites and more across your devices.
? Text translation: Translate between 108 languages by typing ? Tap to Translate: Copy text in any app and tap the Google Translate icon to translate (all languages)