You now can easily send unlimited free SMS and MMS from your iPhone by using an app available in App Store. The name of this app is TextNow. After installing this app on your iPhone you will be able to send unlimited SMS and MMS from your iPhone for free of cost.TextNow app supports all carriers in Canada and US.
This app also allows you to make free or cheap phone calls. You can customize the look and feel of the app. Using TextNow you can also receive voicemail and forward calls.
TextNow is compatible with iPhone, iPad or iPod touch running iOS version 3.0 or later. It is 19.3 MB of size.TextNow app is available through the App Store in the Social Networking category for free of cost.
You can download and get more information about TextNow App from here [iTunes Link].