Representative Image (AP Photo/Kiichiro Sato, File)

In a recent ruling in a Divorce case, the Madhya Pradesh High Court held that a wife's private WhatsApp chat can be allowed to be presented as evidence under Section 14 of the Family Court Act, 1984 even if they are obtained without her permission. In this case, the husband accessed his wife's private WhatsApp chat via a special app installed on her phone (likely a spy app) without her knowledge and found out that she was having an extra-marital affair. His lawyers decided to present this as evidence in the court and seek divorce on the grounds of cruelty and adultery. The wife's lawyers challenged this move and did not want her WhatsApp chats to be presented to the court, arguing that this action by the husband violated her right to privacy under Article 21 of Constitution of India and Sections 43, 66 and 72 of the Information Technology Act. The Madhya Pradesh High Court rejected this argument and said that even though the right to privacy has been recognized as a fundamental right, the same is not absolute and is subject to exceptions and limitations.

Without going into the right or wrong of the judgement, here are 5 simple ways to detect if a spy app is installed on your smartphone. As there may also be cases where a spy app is installed to stalk or for other wrong purposes.

Spy apps often consume significant resources, leading to noticeable changes in your phone's performance. Look for these red flags:

* Battery Drain: If your battery is depleting faster than usual, even with normal usage, a spy app might be running in the background. Check your battery settings (Settings > Battery on iOS or Android) to see which apps are consuming the most power.

* High Data Usage: Spy apps often send data to a remote server, increasing data consumption. Review your data usage in Settings > Network & Internet > Data Usage (Android) or Settings > Cellular (iOS).

* Overheating: If your phone feels warm even when idle, it could indicate a hidden app working continuously.

* Unusual Sounds or Activity: Hearing static or Referenceing sounds during calls or seeing apps open/close unexpectedly may suggest monitoring.

Spy apps may disguise themselves as legitimate apps or hide entirely from your app drawer. To check:

Android: Go to Settings > Apps > All Apps and look for unfamiliar apps. Names like "System Service," "Device Health," or generic terms may be suspicious.

Check for apps with excessive permissions, such as access to your camera, microphone, or location, via Settings > Apps > Permissions.

Enable "Show system apps" in the app settings to check for hidden system-level apps.

On iPhones On iPhones, apps are harder to hide due to Apple's strict ecosystem. Review all apps on your home screen or in Settings > General > iPhone Storage.

Look for configuration profiles (Settings > General > VPN & Device Management) that might have been installed without your knowledge.

If you spot an unfamiliar app, search its name online to verify its legitimacy. Avoid deleting suspicious apps immediately, as this could alert the installer.

Spy apps may require an account to send collected data. Check for unfamiliar accounts or logins:

Go to Settings > Accounts (Android) or Settings > Passwords (iOS) to review synced accounts.

Look for unknown email accounts, cloud services, or messaging apps logged into your device.

Check your email for suspicious login notifications or password reset requests.

Spy apps often require extensive permissions to function. Review:

App Permissions: On Android, go to Settings > Privacy > Permission Manager. On iOS, check Settings > Privacy to see which apps have access to your camera, microphone, or location.

Accessibility Settings: Spy apps may exploit accessibility features to monitor your screen. Check Settings > Accessibility (Android) or Settings > Accessibility (iOS) for unfamiliar services.

Unknown Sources: On Android, ensure "Install unknown apps" is disabled (Settings > Apps > Special App Access > Install Unknown Apps).

Some spy apps communicate with remote servers. Use a network monitoring tool like Wireshark (advanced users) or check your Wi-Fi router's logs for unusual connections from your phone's IP address.