Yes, they can! The apps can track the call history and messages conversation of the other phone if you installed and configured the best app in a better way. The best spy app can be available on popular websites like https://guestspy.com. The apps can be installed in any phone with a different OS, once you configured them on the targeted phone, they can start work in the background. The call history can be sent in real time, and the messages will be filed in different formats as you expect. The calls can be recorded automatically and the user will not be notified in any way.