CLOSTO is a user-friendly application designed for clothing management and outfit coordination, specifically tailored for iPhone users. It allows users to easily register their clothing items by taking photos or selecting from their albums. With unlimited capacity to add personal and family clothing, CLOSTO helps streamline the process of selecting outfits, making it ideal for busy mornings or anyone looking to avoid outfit repetition.

Key features include a calendar function that records daily outfits, enabling users to track what they wore on specific days. The app also offers a "My Outfits" section, where users can pre-register outfit combinations for easy access. Additionally, a "Memory Box" feature allows users to store items they no longer wear, providing a way to revisit past clothing choices. A premium plan is available, offering enhanced functionalities such as ad removal and unlimited tagging options.