Using an exercise earning app that rewarded him for his daily mileage, John, a fitness enthusiast, turned his love of running into a source of income. Hecluster pays slots eventually racked up enough points to buy new running shoes and equipment outright without having to pay cash. Cost Control and Stress Reduction. Lisa, a financially strapped college student, used an app that tracked her exercise to earn gift cards that helped her pay for groceries and school supplies.