This app was mentioned in 4 comments, with an average of 2.00 upvotes
Here's the links for those interested:
Google Play
Apple App Store
In Texas we tend to favor Texas3006.com and it's iPhone and Android apps. Despite its name, the site covers both concealed carry posted (30.06) and open carry posted (30.07).
https://play.google.com/store/apps/details?id=com.tx3006.texas3006
The future is now. (-:
> https://play.google.com/store/apps/details?id=com.tx3006.texas3006
> https://itunes.apple.com/us/app/texas3006-no-carry-locations/id1052348343