Contex.st vs Cortex

TRANSFORM ANY CONTENT INTO YOUR INTELLIGENT KNOWLEDGE BASE Contex.st is the revolutionary AI-powered app that captures, summarizes, and organizes your digital content while letting you chat with your entire document collection. The only knowledge management app with built-in Nostr integration for decentralized sharing. KEY FEATURES Universal Content Capture • Save from Safari, Photos, Files, and ANY iOS app via Share Extension • Smart OCR extracts text from images and PDFs automatically • Clean web article extraction without ads or clutter • Batch processing for multiple items at once AI-Powered Intelligence • Chat with your entire document collection using advanced AI • Get contextual answers with source citations • Automatic summarization of any content • Smart keyword extraction and categorization • Entity recognition for people, places, organizations Powerful Search & Organization • Semantic search finds content by meaning, not just keywords • Vector search discovers related documents automatically • Smart collections that organize content intelligently • Advanced filtering by content type, date, and entities • Tag-based organization with AI suggestions Decentralized Sharing via Nostr • Share insights on censorship-resistant networks • Multiple cryptographic identity support • Connect to custom relay networks • True content ownership - no corporate control Privacy & Control • Your data stays on your device with iCloud sync • Choose your preferred AI providers • No tracking or data harvesting • End-to-end encryption for sensitive content PERFECT FOR: • Researchers building comprehensive knowledge bases • Students organizing study materials and papers • Professionals tracking industry insights and trends • Content creators gathering inspiration and sources • Anyone building a "second brain" for better productivity WHY CONTEX.ST? Unlike other document apps, Contex.st combines powerful AI capabilities with true data ownership. Chat with your documents using cutting-edge AI, organize with intelligent automation, and share your insights on decentralized networks - all while maintaining complete control over your information. Your digital memory, intelligently organized, truly yours. Download now and revolutionize how you capture, understand, and share knowledge!

Cortex is a private, local-first Markdown workspace for iPhone and iPad. Your notes are real files you control, with fast editing, links, search, and on-device intelligence. CORE FEATURES - Create and organize plain Markdown notes - Daily notes, tasks, templates, links, and backlinks - Keyword search, Smart Search, knowledge graph, and canvas - Save text and links from other apps with the Share Extension - Create, search, and summarize notes with App Shortcuts and Siri - Import, backup, and export your vault - Use Apple Speech for dictation in supported languages FREE - A complete local Markdown vault - Smart Search and knowledge graph - Encrypted notes - Basic dictation - Local attachments up to 5 MB - Import, backup, and export CORTEX PLUS - End-to-end encrypted sync across devices - Ask, Recall, Insights, and semantic Connections - Advanced dictation commands - On-device OCR and audio transcription - Attachments larger than 5 MB Cortex requires no account and contains no ads or tracking. AI inference and embeddings run on your device. If you enable sync, Cortex encrypts your notes before sending authenticated ciphertext to the managed relay or a relay you configure; the relay cannot read note contents. Terms of Use: https://cortex.jtrlabs.com/legal/terms.html Privacy Policy: https://cortex.jtrlabs.com/legal/privacy.html