A majority of these services are free. However, it is crucial to select a service that has high malware detection rates and does not drain the battery or slow your device too excessively.

Avast Free Mobile Security is one of the best. Its protection scores are excellent in tests, and it does an excellent job scanning for viruses and it does not eat up battery life click this or resources. It has a feature that makes apps require a PIN in order to open. This helps to protect them from malware that could launch them automatically, stealing sensitive information. The only drawback is the existence of ads, though you can pay a modest monthly or yearly premium to remove these.

Lookout mobile security is one of the oldest antivirus applications available for Android. It offers an excellent level of protection. Its simplicity, clean interface and the absence of ads are just a few of the reasons for its popularity. The free version has the basic options; it checks for malware and locates lost phones. It also blocks known phishing websites.

McAfee Mobile Security is another excellent antivirus app. Its anti-theft features are incredibly effective and allow you to track a stolen device and remotely lock it or wipe its data. Other features include a Wi-Fi scanner, a RAM boost, and cleaning up your junk. The only issue is its reliance on an internet connection, and slow performance during security scans.