you can always rely on the app to send SMS for free. However, unlike some other options on this list, you can only send picture/video messages (MMS) to contacts residing in the United States.

It lets you send complimentary SMS messages and free phone calls in the US or Canada. Those who are outside of those areas have spotty coverage at best. In any case, you get some extra perks ...

Still, SMS is hanging on, especially in the United States. SMS use peaked in the US in 2011 with 2.3 trillion SMS and MMS messages sent. However, the number of SMS messages sent in the US has been ...