MD Preview vs 立体展开

MD Preview is a fast, elegant Markdown reader for the .md files AI assistants write, your notes, and technical docs. Open a file from Files, iCloud Drive, or anywhere else, and it formats beautifully in an instant. READING • Open any .md or HTML file • Headings, tables, code blocks, task lists, and images, rendered cleanly • Syntax highlighting for 30+ common programming languages • Math (LaTeX) and Mermaid flowcharts, sequence diagrams and pie charts • Collapsible table of contents: tap a heading to jump to it • Switch between the preview and the markdown source in one tap • Right-to-left languages such as Arabic and Hebrew read right to left automatically • Distraction-free reading: tap the page to hide everything but the text READING FOLDER • Pick a folder once, and it's on the home screen every time • Works with local folders and iCloud Drive • Pin recent files so the ones you use most stay on top 6 FREE THEMES Paper, Midnight, Forest, Rosé, Ocean, and Lavender, in light and dark. Chinese, Japanese and Korean text uses the system's native fonts, crisp and easy on the eyes. PREMIUM: ONE-TIME PURCHASE • Read Aloud: natural voices read your docs to you, on a walk or when your eyes need a rest • PDF export: share formatted docs by AirDrop, email, or print • Reading fonts & text size: four fonts made for long reading, sized from compact to large • 4 extra themes: Solarized, Dracula, Nord and Tokyo Night • No subscription. Buy once, keep it forever. PRIVACY FIRST No account, no ads, no tracking. MD Preview reads your files where they are. It never uploads, copies, or stores them. Built by a solo developer.

「立体展开」致力于将立体空间想象具象化，为立体图形的展开与折叠的学习者提供强大辅助，助力立体几何学习。 【展开与折叠】 『联动展开』模式下，预设了多种类型平面展开图，下拉、上滑即时查看预设的展开与折叠过程。 『自由展开』模式下，无预设，可以选择任意面向该面的任意边进行展开或折叠。 【面、边颜色自由设置，面贴图自由绘制】 可以选择单条边、单个面，亦可以多条边、多个面一起设置成心仪颜色。 面贴图可以选择各种平展展开图作为线框，在线框中绘制图形。 支持更改实时预览，保存即生效。