Markcurial: Markdown Editor is a free iPhone app developed by Charles Fager, falling under the Business & Productivity category. It offers a fully-featured markdown editor with syntax highlighting and shortcuts for efficient idea sketching and quick document creation on-the-go. The app allows easy sharing of documents to other platforms, enabling seamless editing and viewing across different devices.

Additionally, Markcurial provides live previewing of markdown documents, showcasing working links, images, and elegant formatting in real-time. Users can customize the editor with various background colors and syntax themes to enhance their writing experience. With file management features, users can securely store their documents on the device, ensuring no accidental loss of important files.