Gym cheats beware. There's now an app that can tell whether you went to the gym for a smoothie or actually worked up a sweat. Known as DiscoverFitness.Me and developed by five University of Johannesburg students, the app aims to incentivise people to do more than merely swipe their cards at the gym. Developed for Android devices, it is in its prototype phase.Using near-field communication technology, the app allows users to retrieve their workout data from gym equipment and store them on their smartphone.Near-field communication technology allows electronic devices to establish radio communication with each other by touching the devices together or bringing them into close proximity.The app will be able to record steps taken, as on a treadmill, distances covered, and how many calories are burned in a workout."Wellness" programmes such as Discovery's Vitality, will now be able to tell serial gym dodgers from those who put in the reps and burn the calories.The app will also provide data on workout and fitness levels to wellness programmes so that rewards, such as discounts on gym membership fees, can be calculated.BSc information technology students Waseem Nabs, 20; Ross Guy, 23; Michael Brooke, 22; Wald Bezuidenhout, 21; and Kyle Welsh, 24, last month became UJ's second team of graduates to win the Discovery GradHack Hackathon.Using already existing technology, the students - who call themselves the Red Hot Techie Peppers - put the app together after a solid 24 hours of coding...