うまのプリンスさま is a free iPhone game developed by USAYA Co. Ltd. It is a unique game that combines the world of horses and romance. In this game, players are introduced to a handsome horse and are tasked with training it. The game features a simple gameplay mechanic where players can earn points by tapping on items that appear when they leave the game idle. The points earned can affect the horse's motivation, which can be replenished through conversations. Players can also clear stages by accumulating enough points to meet the stage quota.

The game also includes an album feature where players can revisit the stories of cleared stages. The goal is to complete all stages and fully complete the story. うまのプリンスさま offers a blend of horse racing and romance, making it an intriguing choice for players looking for a unique gaming experience.