The Nexercise iPhoneapp is giving away rewards in the form of free and discounted merchandise for a person's workout efforts. Sephora coupons are not the only possible rewards. Users are also eligible for discounts from 1-800-Flowers.com and GNC, as well as Amazon Gift cards. At the lowest level, Nexercise users can earn prizes like Sephora coupons ranging from $5 to $250 in value. The more points accumulated, the bigger the prizes! Users at the lowest points level have about a 25% percent chance of winning a prize.