Hoverwatch is a spying app for android, Microsoft windows mac computer. For computers, It will record every keystroke typed by the user and send you remotely.
If somehow, you came across to hoverwatch while finding a spy/keylogger app. Now you are looking for a review. Then you are on the right page . And on this page https://www.hoverwatch.com you can read how to monitor snapchat
All you have to do is install the app on the victim phone, login into your account some configuration.
While configuration you can hide the app icon so the victim will never know that a spy app is installed on this phone.
You don’t need to root the phone. It can be installed on any device. Don’t worry about antivirus. Antivirus just can’t detect this app.