Marques Ofertas is a free iPhone application designed to enhance your shopping experience by providing access to exclusive promotions and offers. Users can participate in various sweepstakes and win scratch-off prizes on eligible purchases. The app offers personalized deals tailored to individual shopping habits, ensuring that users receive the most relevant discounts and promotions available.

Key features include the ability to engage in multiple sweepstakes for a chance to win significant prizes and a unique 'Lucky Coupon' system that rewards identified purchases at checkout. Additionally, the app showcases daily special offers, a list of all ongoing promotions, and a favorites list that notifies users when selected items go on sale. Users can also browse a digital flyer highlighting products with substantial discounts, making it a versatile tool for savvy shoppers.