Spyware apps are easily available in the market and installing one on your phone just takes five minutes. You may even accidentally install one by downloading an app from an unknown source. They can monitor your movements with GPS tracker, record your phone conversation, text messages, photos and more. Protecting yourself from a spyware may be tricky but not hard. Check this Infographic from Family Orbit and you will learn how to detect hidden spyware on your phone and tips and precautions to take to avoid an infection in the future.
Infographic Source: https://www.familyorbit.com/blog/detect-hidden-spy-app-on-android-iphone/