Line2: Our users have sent 1 million text messages in the first four days after the SMS service

Few days ago, we talked about the latest version (3.0) of Line2 iPhone app, which brought carrier-grade SMS texting in addition to the existing VoIP functionalities. Today we’re please to say that SMS proved to be a smashing success among Line2 users, as they’ve sent over one million text messages in the first four days after the launch!

As you may’ve heard before, Line2 costs just $9.95/month and includes unlimited US/Canada calling and texting. The application is especially cool if you own the iPod Touch or iPad, as it basically turns the two devices into full fledged phones — all you need is a WiFi network in order for Line2 to work. Alternatively, even the iPhone users can save on calls and texting, especially if they’re not on some expensive unlimited plan…