Google Translate has been around for awhile. It offers voice to text translation in and many other useful features. You can download the app or use the free online version for text translation.
The latest version just added photo translation. Take a picture of a sign in a few languages including Spanish, Russian and French and the app translates. Click here and here to read more about the original and most recent updates.
One of my favorite employer partners strongly recommends iBurmese. Click here to see a simple youtube tutorial.
If anyone can share how (or if) these tech solutions have helped, let us know at firstname.lastname@example.org.