This document discusses the benefits of developing a mobile app for gyms. It notes that mobile apps can help gyms increase memberships, improve client satisfaction and motivation, and build their brand. Key features that a gym app could offer include booking classes and personal training sessions, promoting services, allowing product shopping, implementing loyalty schemes and coupons, using push notifications, and integrating geo-fencing and social media. Developing an app would allow gyms to better engage their members and attract new customers through a convenient mobile experience.