Hidden spy apps often run in the background, consuming a significant amount of system resources. Users may notice unusual battery drain even when the device is not in use. To detect such anomalies, navigate to the device's settings, select "Battery," and review and weatherian app review the apps consuming the most power. If an app appears suspicious or is unfamiliar, it warrants further investigation.

Spy apps frequently transmit captured data to remote servers, resulting in increased data usage. To identify unusual patterns, go to the device's settings, select "Network & Internet," and then "Data usage." Scrutinize the data usage of individual apps, focusing on those consuming data even when you are not actively using them.

Review the list of installed apps on your Android device regularly. If you come across unfamiliar or suspicious apps, investigate their origins and permissions. Spy apps often disguise themselves as legitimate utilities, so it's essential to be vigilant.

The presence of spy apps may cause performance issues such as lagging, freezing, or unresponsiveness. Monitor your device's performance, and if you notice a sudden decline, it could be indicative of hidden spyware.