QRU? vs MDQuill

QRU? is a free, open-source QR code debugger built for developers. Scan any QR code and instantly see its data broken down into color-coded components. Stop guessing what's inside a QR code. QRU? scans and parses QR codes, then displays a colorized breakdown of every URL component — protocol, host, path, and query parameters — each in a distinct color so you can debug at a glance. KEY FEATURES • Colorized URL Breakdown — See protocol, host, path, and query parameters highlighted in distinct colors • Instant Scanning — Point your camera and get results immediately • QR Code Generation — Generate a QR code from any scanned URL to share with other devices • Scan History — Keep a log of every scan, revisit and manage them anytime • Copy Anything — Tap any component to copy it to your clipboard • No Ads, Ever — Completely free with no ads, tracking, or in-app purchases • Open Source — Full source code available on GitHub BUILT FOR DEVELOPERS QRU? was originally built to debug EAS Update QR codes, but it works for any QR code you encounter during development. Deep links, universal links, API endpoints, redirect URLs — if it's encoded in a QR code, QRU? will break it down for you. PERFECT FOR DEBUGGING • Deep link testing • Universal link verification • API endpoint inspection • Redirect URL analysis • Query parameter validation • Custom URL scheme debugging Start scanning today!

MDQuill is a local Markdown writing app for iPhone, iPad, and Mac. Open .md, .markdown, or .txt files, read them in a clean preview, then switch back to editing whenever you want. Why MDQuill? • Local-first writing: Your documents stay on your device. No required account, no forced upload, no content platform. • Open into Preview: Open Markdown from Files, Share, or another app and land directly in Preview mode before switching back to Edit. • Native editor: Write with Markdown syntax, quick insertion tools, find and replace, outline navigation, templates, and recent documents. • Live preview: Headings, lists, quotes, code blocks, tables, tasks, links, and images render clearly. • Built for Apple devices: Capture quick notes on iPhone, write in split view on iPad, and work with native document windows on Mac. • Export and share: Create Markdown, TXT, HTML, and PDF files for printing, archiving, email, and cross-platform sharing. • Templates and reusable workflows: Start quickly from built-in templates or save your own structures for repeated work. • Offline Voice Markdown: MDQuill Pro unlocks app-owned offline model management, Markdown voice command parsing, live drafts, insertion modes, and undo workflows. • Advanced Local Import: Convert user-selected PDF, Office, ODF, EPUB, notebooks, HTML, text, and images into structured Markdown with a native on-device converter. Scanned PDFs can use Vision OCR. No embedded runtime and no web scraping. • Focus, Quality, and Export Themes: MDQuill Pro also unlocks a distraction-free writing mode, an on-device document quality check, and advanced HTML/PDF export themes. Great for: • Study notes, meeting notes, and class material • Technical docs, README files, and code notes • Task lists, weekly plans, and project logs • Blog drafts, product notes, and research writing • Private documents that should stay local and export cleanly Free features include document creation, import, editing, preview, export, Share Extension intake, templates, and local document management. MDQuill Pro is an optional upgrade for advanced local Markdown workflows, including offline Voice Markdown, Focus Writing Mode, Document Quality Check, Advanced Export Themes, more custom templates, and more export profile flexibility. MDQuill does not provide third-party content, scrape webpages, host documents, or present itself as an online content platform. It focuses on quiet, reliable local Markdown writing.