When it comes to remote SMS spying the only one I would ever recommend is cell control spy. Cell control spy is the only remote SMS spy software program that comes with technical support and a full money back guarantee. That speaks volumes to the effectiveness of a spy program for spying on text messages remotely.
The way a remote text message spy program works is when the cell phone you are spying on sends or receives a text message an exact duplicate of that text message is also displayed on the screen of your cell phone. There is no members area for you to have to log on to view the SMS messages of the other cell phone. This obviously makes a remote text message spy program much stealthier than typical spy software like spy bubble.