The details mentioned by us for every software are created for legal use only. Even though in several countries such as USA, mobile spying is intended to be legal, but some legal laws are different from one country pr location to another.
So before grabbing and using any sort of spying software for mobile, we would suggest you to consider the privacy law very carefully and the best would be if you discuss the legality of any software with your legal advisor. Also it is advisable to go for the permission of cell phone user before spying. If failed that would consider fraudulent activity and violator can enforce strict criminal and monetary penalties.