A friend's boyfriend showed her that he could view activity from her Samsung phone on his own device. She isn't looking for relationship advice; she wants to understand how he might have gained access and what could be installed or configured on the phone. They both use Samsung devices. Could this be caused by a tracking app, a shared Google or Samsung account, or another setting?
2 Answers
There isn’t one guaranteed app that can be identified from this information. Check Settings for linked devices, account sessions, accessibility permissions, device administrator apps, VPNs, notification access, and installed apps that she doesn’t recognize. A phone can also appear to be monitored when someone simply has access to the same cloud account, so securing the accounts is just as important as checking the phone itself.
Several things could explain this, including a shared Google or Samsung account, synced browsers, linked devices, or a monitoring app. Some parental-control or tracking tools are visible in the app list, but others may be disguised or rely mainly on account access. If she suspects unauthorized monitoring, she should change the passwords for her email, Google, Samsung, and other important accounts from a safe device, enable two-factor authentication, and review logged-in devices and account activity.
If she can’t identify the source, backing up only essential files and performing a factory reset is the safest technical step. She should then set up the phone with new account passwords the boyfriend has never known and avoid restoring unfamiliar apps or settings.