Total AV APP

No, it's not an Apple product. No, it's not necessary. As long as you don't jailbreak your phone or let people have access to it while it's unlocked, you have essentially nothing to worry about.

No it is not an Apple product. Yes it is a scam. You don't need an AV program for iPhones, unless the phone is jailbroken, there are no known viruses that will infect an iPhone.