SMS SENTINEL FULL VERSION FREE FOR A LIMITED TIME! NO ADS AND ALL FEATURES WORKING! ALL WE ASK IS THAT THOSE THAT FIND IT USEFUL POST COMMENTS. SMS Sentinel Lite is out! Break the Habit! Don’t Text and Drive!SMS Text Auto Responder and GPS enabled SMS/MMS Text AutoResponder. Use Manual Mode or GPS Mode to manage and auto respond to incoming texts.* READ THE INSTALLATION AND REGISTRATION INSTRUCTIONS CAREFULLY! GPS and accelerometers detect driving so you don’t have to remember to turn it on or off.