Many of these are free. It is important to select one that has high malware detection rates and doesn’t drain your battery or slow down your device.
Avast Free Mobile Security is one of the best. Its test scores for protection are outstanding, it does a great job of securing against viruses and it is not too demanding on battery life. It also has a great feature to make apps require a PIN to be opened, which protects the apps from malware that could launch them automatically and snatch sensitive information. The only real drawback is the existence of ads and ads, but you can pay a tiny monthly or yearly premium to get rid of them.
Lookout mobile security, now changed to Lookout Security and Antivirus or Lookout Personal, was among the first antivirus apps available for Android and is still doing an excellent job of protecting phones. Its simplicity of use, clean interface and lack of advertisements are the reasons behind its popularity. The free version comes with a basic set of options; it scans for malware and locates lost phone numbers, and blocks websites that are known to be phishing.
McAfee Mobile Security, another excellent antivirus program. Its ‘anti-theft’ features are incredibly effective that allow you to locate the stolen device remotely and lock it or wipe its data. Its other highlights include a junk cleaner, ‘RAM boost and a Wi-Fi scanner. Its only downsides is its dependence on internet connectivity and slow performance when performing an security scanner.