Mobileapp defectstest - the official wagering service of the Kentucky Derby - is your premier destination for legal US Horse Racing Wagering. Bet horse races worldwide from our industry - leading iPhone app, and catch the racing excitement anytime, anywhere.

This application is 100% FREE - and give you full access to the experience. Wager and play from your existing account, or create a new one today.

Download this app if you love the thrill of horse racing the experience of the track whereever you go.

In addition to betting the Kentucky Derby, Preakness Stakes, Belmont Stakes, and Breeder’s Cup, our players have accesss to hundreds of races and tracks worldwide all year long. Join the players that know how to play. Download this app now!