We’ve all been there: trying to juggle a fitness regime with everything else life throws at us. That’s where Aaptiv, founded by Ethan Agarwal WG11, can help. An audio-centric fitness subscription app, Aaptiv synchronizes voice recordings of personal trainers with curated playlists, providing users with a boutique fitness-studio experience right from their smartphones and at a fraction of the price. Aaptiv covers 12 different categories and all fitness levels; with access to thousands of workouts on the app, users can choose anything from a morning run to an afternoon meditation to an evening cycle.