The discussion centers around finding iOS applications that can create PDFs from LaTeX code. Texpad and Texwriter are mentioned as potential options, with Texpad confirmed to have a PDF export feature. Users express a preference for integrated development environments (IDEs) like vi or emacs for editing, but acknowledge the limitations of using such tools on tablets. The difficulty of transferring files between apps on iOS complicates the editing and compiling process. One user ultimately decided to purchase Texwriter for its functionality. Overall, the conversation highlights the challenges of LaTeX editing on iOS and the search for effective solutions.