This app was mentioned in 3 comments, with an average of 1.00 upvote
There is also a app for android
Check this out: https://play.google.com/store/apps/details?id=com.eveeye
Sadly, android only, but it's brilliant.
Android: https://play.google.com/store/apps/details?id=com.eveeye iOS: https://itunes.apple.com/us/app/eveeye/id1163904317 Twitter: https://twitter.com/eveeyemaps/