GPS, Map or Smart Phone App.... What or what Combination?

[BenBow]

Gaiagps lets you download maps to your phone to take in the field. All kinds of maps are available free and there is a pro version with added overlays. works great on an iphone.

[Ryan Sanpei]

Nala,
There's a free 7 day trial for onXmaps.
http://www.huntinggpsmaps.com/hunting-app-for-iphone-ipad#.VWuAcOuDTdk

According to the website, they list Texas.
http://www.huntinggpsmaps.com/pick-your-state#.VWuA0-uDTdk

They also have a few listed in the St. Judes auction.
http://auction1.tradgang.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=207;t=000107