Cerulean - 小工具合集 is a free utility and tools app available on iPhone. Developed by Dan Zhang, this app offers a collection of various small functions in an extremely minimalist design.

With Cerulean, users can access a range of handy tools and utilities, all conveniently organized in one place. The app aims to provide a simple and straightforward user experience, allowing users to easily navigate and utilize the different features.

While no specific subcategory is mentioned, Cerulean offers multiple small functions that can assist users in various tasks. The app encourages users to provide feedback or share new ideas by sending an email to

Overall, Cerulean - 小工具合集 is a free utility and tools app for iPhone that offers a collection of small functions in a minimalist design. It provides users with a convenient way to access various tools and utilities in one place.