I use to be at a place in my life where I felt like I needed to monitor my partners every move.. just to make sure that she was telling the truth and not hiding anything. I programmed software for windows and android, monitored for months and months and it turned into years, and eventually I got tired of calling her out on things and looking for her to mess up. I realized that it's not worth it to be with someone if you do not trust them, or have to go out of your way to make sure that they are being loyal to you. You shouldn't have to stress about things like that. Just find someone that shares your same views, and isn't a social media whore and you should begin to worry less.
Surprisingly, that's a great bullet-point that this guy brought up in your other thread. Having a programming background, I can tell you that most monitoring software, will also be keeping logs of the reports somewhere else without you knowing. Basically, you could be inviting a hacker to look at your girlfriend through her camera while she's sitting on the toilet masturbating and texting her other lover.
I've been with girls like that.. even having the upper-hand and being able to monitor she will always have an excuse and a lie in her back pocket. I've heard of cloning sim cards to have one device get the duplicate messages, but I haven't explored that route personally so I don't know much about it.
