How to Get Free SMS on a Mobile

1. Download Textfree with Voice from the App Store to get free texting on your iPhone. The app assigns an actual phone number to your account, allowing you to send unlimited free text and picture messages to friends in 18 countries. The app is ad-supported and compatible with most popular carriers, including T-Mobile, AT&T Wireless, Sprint and Verizon Wireless.
2. Get TextPlus Free, an unlimited text messaging app available for both the iPhone and Android phones. This app gives you a phone number and free texting, picture-messaging and group-texting to anyone in the United States and Canada.
3. Use Google Voice. iPhone users can get it from the App Store, and Android and BlackBerry users can access it from the Google Voice mobile website. You get a phone number that can be used to send free unlimited text messages to U.S. phone numbers, along with access to the other services Google Voice offers.