Barn management often struggles with poor communication, outdated scheduling, and scattered information, leading to confusion and missed lessons. My app, HorsiTask, solves this problem by offering a clear, all-in-one platform for riders, trainers, and grooms to manage schedules, tasks, and horse care in real time [6]. The app uses Firebase for data syncing and Flutter for the interface. Two key challenges were preventing double bookings and ensuring clean data input [7]. We addressed these through experiments: one tested the scheduling system under stress, and another tested form validation by submitting flawed entries. Both showed that HorsiTask can block invalid inputs and maintain accurate booking records. The most important result was that our system was held up under pressure and caught most errors. HorsiTask improves on past barn solutions by reducing miscommunication and confusion through automation and clear design. It's a tool that makes barn life easier and more efficient for everyone involved.