RC Markdown vs PureMarkdown

THE AI WORKFLOW COMPANION Claude, ChatGPT, and other AI assistants produce detailed reports. But when you open them on iPhone, LaTeX math breaks, Mermaid diagrams disappear, and code looks like a mess. RC Markdown handles all of it. A dedicated viewer built to read, render, and share AI-generated documents exactly as intended. DISTRACTION-FREE READING, BUILT FOR LONG DOCUMENTS No toolbars. No editing UI. Just your document, rendered beautifully, ready to read from start to finish. Open a file, read it comfortably, and forward it to your team. RENDERING Complex Math — On-device KaTeX rendering for inline and block LaTeX equations. Technical Diagrams — Mermaid support for flowcharts, sequence diagrams, Gantt charts, and more. Clean Code — Syntax highlighting for 20+ languages including Python, Swift, Rust, and TypeScript. EXPORT AND SHARE Tap Export to convert your document and open the iOS Share Sheet instantly — send via Mail, Messages, Slack, or save to Files. PDF — Vector-based, text-selectable, always cleanly formatted. PNG — Full-document image, ready to paste into any chat or deck. HTML — Self-contained file with all styles and diagrams embedded. DESIGNED FOR iOS Table of Contents — Auto-generated from headings. Tap to jump, drag the panel anywhere on screen. In-Document Search — Real-time highlighting with match-by-match navigation. Dark Mode — Light, Dark, or System. Optimized for OLED displays. Available in 10 languages — English, German, French, Spanish, Portuguese, Russian, Japanese, Korean, Simplified and Traditional Chinese. iPhone and iPad — Optimized for both. PRIVATE AND OFFLINE No accounts. No sign-in. No internet required. Every feature works completely offline. No data ever leaves your device.

Features： 1.Cross-device Sync Sync across iPhone / iPad / Mac with no device limits and real-time updates 2.Privacy & Security Notes are stored only in your iCloud. No external servers or background data collection 3.Efficient Writing Support for note templates and custom templates for quick creation; keyboard shortcuts available on Mac 4.Multiple Export Formats Export notes as images, PDFs, or mind maps for easy sharing, archiving, and structuring 5.Data Migration Batch import and export of Markdown notes for easy backup and migration 6.Organization Manage notes with notebooks and tags to keep your content well-structured If you are looking for a simple, privacy-focused note-taking app that works seamlessly across devices, PureMarkdown is a great choice. This app does not collect user data. All content is stored only in the user’s iCloud account.