This app was mentioned in 4 comments, with an average of 2.50 upvotes
https://play.google.com/store/apps/details?id=com.kach.whatthehex
Here you go, it's free and doesn't have any annoying ads. I would just like a good review if you like it.
I've just shamelessly plugged my app on reddit.
https://play.google.com/store/apps/details?id=com.kach.whatthehex