There are multiple free security apps available for you Android phone in the Google Play Store. However, generally free apps come with ads. That’s not the case for Sophos Intercept X.
This well-reviewed free app has been installed over a million times on Android phones.
This app scans apps and storage media for malware, blocks malicious webpages, and checks email and message links for malware.
Sophos also monitors your WiFi security and checks the safety of QR codes scanned into your phone.
To add to your device, just go to the Google Play Store, search for Sophos Intercept X and tap on Install.
Or follow this link to check it out:
https://play.google.com/store/apps/details?id=com.sophos.smsec