If you're not running some kind of anti-malware app,android mobile antivirus free on your Android smartphone or tablet, then you're putting yourself at risk of infection from corrupted apps and other kinds of malware. The good news is that your options are far from limited. The best mobile antivirus apps mobile antivirus app download offer not only top-notch malware detection and prevention, but also a range of privacy and anti-theft features, such as the ability to back up your contacts and other data, track your phone or tablet using its internal GPS chip, or even snap a picture of a phone thief with the device's camera. Most mobile security apps have both free and paid versions, mobile antivirus quick heal, but not all freemium antivirus products are created equal. We rounded up apps from the biggest names in mobile antivirus protection — Avast, Kaspersky, Lookout, McAfee and Norton — and rated their apps based on setup, interface, mobile antivirus scan usability, extra features and, of course, their anti-malware chops.