Yes you can have a free text now number on your device without it replacing your phone's texting. You just simply log into the app on the device that you would like to use and v-wala you well be given a phone number for the app then you should be able to text and call from your device thru the phone number they provide you. You can a also log into more than one device with this phone number or you can have multiple phone numbers if you have More than one email to log in with. When you initially setup the app just make sure that u don't click the option that allows you to use the text now app as ur default app for calling and texting. You should only worry about this option if your logging in on your cellphone app.