It is a clear protective film that wraps around any painted external surface of your car to lessen the chance of paint deterioration. You'll probably come across paint protection films or ceramic coatings as choices to safeguard your car's paint if you recently bought one.
for more Paint Protection Film

It lessens the chance that your automobile will sustain paint-related damage such minor dings, rock chips, chemical stains, bug spatter, hard water spots, and swirl marks.diesel mechanic darwin

PPF and ceramic coatings are different types of product and not really comparable against one another.

The coating will give polished paint added gloss and swirl protection plus easier cleaning but its not going to protect against minor scrapes and stone chips like the film will.

Depending on your budget, theres no reason why you couldnt have both and then you get the individual benefits of both products.