Medaka Pet is a free and simple nurturing application available on iPhone. This game allows users to raise adorable medaka fish in their smartphones, focusing on providing a soothing experience. The application features calming music and easy-to-manage tasks for caring for the medaka.

Players can enjoy feeding and cleaning their virtual medaka, watching them grow gradually each day. The game enables users to sell grown medaka for new ones, name their medaka, and observe real-time size updates. Additionally, the app notifies users when it's time to feed and clean the medaka, making it ideal for those seeking a low-stress virtual pet experience.