Originally Posted by
ajGoes
Verizon's Messages+ makes your Verizon account's SMS available from a Windows or iOS device. I haven't used an iOS version, but I don't imagine it will work from an iPhone that doesn't have a Verizon SIM card in it.
The Verizon Messages+ app does work with a different SIM. I assume you just need to activate the app with a Verizon SIM. After that it uses data.