One of the best things about iPad is that it gives you a great improved reading experience. Be it reading an eBook or just a PDF document, users love the brilliance of its screen and the legibility of its text and graphics. But some of students are still having trouble in selecting the right and appropriate apps that can help them view, edit, and even annotate PDFs on their iPad. This is why I compiled the list below. It contains some of the best PDF apps out there. Go through them and see which one appeals to you the most.