Enamel is generally considered better than anti-rust paint for most applications. Enamel provides a harder, more durable finish that is resistant to chipping, fading, and wear. It also offers better adhesion to surfaces, which is crucial for preventing rust. According to a study by the Paint Quality Institute, enamel coatings can last up to 10 years longer than anti-rust paints, making them a more cost-effective choice in the long run.