Review: TextNow for iPhone
Both this app and its free lite version bypass the built-in Messages app on the iPhone, enabling iPhone, iPod touch, and iPad users alike to send and receive text messages. TextNow's interface makes it a decent alternative to Messages, but there are some limitations and flaws you should be aware of.
http://rss.macworld.com/click.phdo?i=d1693bb4b15ecc287f85168fcfe0b476
