"Prowlr is the easiest way to follow your favourite television shows on your iPhone.
Search from hundreds of shows to track and receive digest emails to plan your weekly viewing.
Prowlr is a web app - you don't need to download anything. All Prowlr needs is the browser on your iPhone or iPod touch.
Visit the link below using your iPhone or iPod touch to get started. Signup is quick, easy and free."
Its not actually a app, you add the website (www.prowlr.tv) on the Homescreen of your iPhone :)