"For the most part, yeah." Because, unless you regularly engage in risky behavior you'll probably never need antivirus on mobile. Phones are more limited, and more secure, than PCs. Android has built in antivirus unless you turn it off. I have AV programs installed only because I like to reverse engineer malware, and often sideload apps for the same reason. For a normal person, 99% of the time, AV is just wasted memory on your phone