While most of the major UK bookmakers like Ladbrokes and Paddy Power now live stream UK/Irish horse/South African racing to their iPhone and Android apps, William Hill is the first to broadcast live horse racing from the United States to smartphones and tablets. The best part is you can watch any of these U.S. horse races for free. WILLIAM HILL RACING - WWW.WILLIAMHILL.COM Watch US, South African, English, Scottish and Irish horse racing on your iOS or Android device. William Hill offer mobile customers exclusive bonuses, cashback and free bet offers. You can check the "Top 10 Backed Horses" at any time via the app to see where the action is. Live racing streams are provided in high-definition (HD) so no more grainy picture. Free live audio commentary from racetracks around the world. Get racing results, review form and place horse racing bets from the Apple Watch. Place a £10 on a horse race and William Hill will give you 2 x £10 bets. If you need any additional information read our full William Hill horse racing app review.