VisiMarks: Bookmark Manager is a free iPhone application developed by Ryoichi Fukugawa. It falls under the category of Utilities & Tools and provides users with a convenient way to manage their bookmarks.

With VisiMarks, users can create bookmarks with thumbnails, making it easy to find their favorite web pages. Unlike traditional text-based bookmarks, thumbnail-based bookmarks provide a visual representation that is much easier to identify.

The application also offers a useful organizing feature, allowing users to create folders to categorize their bookmarks. This makes it simple to keep track of different types of web pages and access them quickly when needed.

Another handy feature of VisiMarks is the ability to add bookmarks from the user's browser. This can be done in just a few simple steps, allowing users to quickly save articles and web pages of interest to their collection.

Additionally, VisiMarks supports multi-browser functionality, enabling users to easily switch between different browsers when opening their bookmarks. This flexibility ensures that users can access their saved web pages using their preferred browser.

Overall, VisiMarks: Bookmark Manager is a user-friendly and practical tool for organizing and accessing bookmarks on the iPhone. Its thumbnail-based bookmarking system, organizing capabilities, and multi-browser support make it a valuable addition to any user's device.