Do you know where you can find some spy software for cell phone? If you guess that it is in the internet then you are right. But even if you can find a lot of answers from the net you still have to take extra careful. I think you are aware of fake sites right?  They will do you no good for sure. So what you can do is to check the credibility of the site and the spyware products. Do you know how you can do this? Then you have to see some review sites. I am sure you will find the answers to your questions because they are created by the experts about spywares.