For iOS, they have to jailbreak the phone to install, there's various ways to detect that, but also a restore will remove it too.
I was reading a bunch of reviews on another spyware app (flexispy I think), my word it was creepy, various people with no concept of boundaries wanting to track every movement and listen on every private conversation of their kids, spouses, employees, ugh. But many we're frustrated it was hard to install on iOS and demanding their money back
Biting the hand that feeds IT
