Free texts can be sent from an iPod or iPad with a texting app: RingMeMaybe.
No need for a SIM card or a a carrier plan, your iPods and iPads, can have access to all US phone numbers, send free SMS texts, make free calls with a real phone number all over wifi.
Let’s take a real life situation: your thirteen years old kid is constantly using your iPhone to call and text his friends as you have a Verizon number and an unlimited calling and texting plan. You have to make a difficult choice: should you purchase a costly smartphone and a SIM card with a prepaid plan or unlimited plan for him to leave your iPhone alone?
You can simply use its old iPod and make him install RingMeMaybe: the free texts and calls! A random phone number will be assigned by the app to the device and it will be instantaneously be reachable by any other phone in the world!
What about the cost? It is not a problem, there are 2 options:
1-the cheap prepaid credits, so that you can control the spendings and reload with a simple iTunes in app purchase directly from the iPod or iPad1
2-the free credits that he can earns by playing games or watching videos proposed inside the app
It is hassle free, almost entirely free of charges, and lets you use your wifi-only iPod or iPad as a fully featured Phone!