All iPhones come with best-in-class in-built security. However, iPhones still need some degree of internet security, and an antivirus offers exactly that. The best antivirus offers protection against security threats like phishing links, unsafe public WiFi networks, data-stealing apps, browser trackers, and device theft. Unfortunately, there are many futile and even fake security apps on the Apple Store. Steer clear of them, and check out these safe and reliable antivirus apps for an iPhone. Lookout Lookout is one of the best antivirus apps for an iPhone. It alerts you if an app on your device is running malicious processes and if you’re connected to a suspicious WiFi network. One of Lookout’s highlights is its set of anti-theft features. It allows you to locate your stolen or lost device and issues a remote alarm. You can even display a personalized message on the lock screen. Avira The internet is full of websites designed to phish your personal and financial information. Avira Mobile Security offers superior protection against such phishing attacks by blocking malicious websites. Besides, it has excellent anti-theft protection, a robust contact backup function, and a tool that alerts you if your email address gets hacked. Another great thing about Avira is that it offers many advanced security features for free.