Cortex vs Markdown Notes Editor

Cortex reads your images, documents, and text — entirely on your device. No cloud. No account. No data sent anywhere. After a one-time model download, it works with no internet connection at all. Built for professionals who can't hand their confidential work to a cloud service, Cortex gives you the full power of a modern AI without the data exposure. No terms of service that claim rights to your inputs. No server logs. No risk of a breach leaking your client's name. Key features: - Voice mode — speak naturally, get spoken replies. Fully on-device, nothing stored - Audio & video input — attach media files and ask questions about them - Image & document input — analyse photos, contracts, receipts, prescriptions and more - Fully offline after model download — works on a plane, in a courthouse, anywhere - Zero data collection — nothing is ever transmitted or stored outside your device - 43 supported languages — switch freely between languages in any conversation - One-time purchase — no monthly subscription, no usage limits after going Pro - Free tier included — 25 messages per day at no cost, upgrade whenever you're ready - GDPR-friendly — no data transfers to US servers or third parties Cortex runs a powerful on-device language model entirely on your hardware, giving you conversational AI that's fast and capable without any cloud dependency. Download free and try it today. Upgrade once — use it forever.

Markden is a privacy-first markdown editor and writing app designed for people who value ownership of their words. Every file stays on your device. No account required. No cloud lock-in. Just your thoughts in plain text. Markdown editing with real-time syntax highlighting AI writing assistant powered by Claude (bring your own API key) Full offline support with no internet required for core features AES-256 file encryption for sensitive documents Todo.txt task management with priorities, contexts, and projects Version history with up to 50 snapshots per file Focus mode with Pomodoro timer and word count goals 13 file formats supported including Markdown, JSON, YAML, CSV, Org-Mode, and AsciiDoc Dark and light terminal-inspired themes Quick note capture for instant ideas Daily notes with auto-generated templates Find and replace with full regex support Kanban board view for task management Live markdown preview with math (KaTeX) and diagrams (Mermaid) Export to HTML for sharing and publishing Customizable editor with multiple fonts, sizes, and spacing options AI WRITING TOOLS Fix grammar and spelling Rewrite for clarity Summarize long documents Change tone (formal or casual) Continue writing from where you left off Explain code blocks Generate tables and todo lists from text You pay Anthropic directly for AI usage. Markden never touches your API key or data. PRIVACY BY DESIGN All files stored locally in your app sandbox API key secured in iOS Keychain No analytics, no tracking, no telemetry No third-party SDKs that collect data No account or sign-up required Uninstalling removes everything. Nothing persists elsewhere. BUILT FOR PRODUCTIVITY 6 built-in templates: meeting notes, blog post, journal, weekly review, Cornell notes, and project readme Smart auto-save with configurable intervals File browser with favorites, search, and sort options Breadcrumb navigation for nested folders Swipe actions for quick file management Custom keyboard toolbar with format-specific shortcuts DESIGNED FOR IPHONE AND IPAD Sidebar navigation on iPad with split view editor and preview Adaptive layouts that use the full screen on every device Keyboard shortcuts and external keyboard support Markden is free to download with all editing features included. AI features require your own Anthropic API key which you can get at console.anthropic.com. Whether you write meeting notes, journal entries, blog posts, code documentation, or manage daily tasks, Markden gives you a fast, private, distraction-free space to think and write. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/