Trelk vs Captured!

Trelk is your personal knowledge engine. Save anything you read — articles, research papers, YouTube videos, PDFs, newsletters, documentation — and watch your understanding grow as AI reveals how everything connects. No subscriptions. No cloud dependency. No data lock-in. Buy once, own it forever. HOW IT WORKS Save content from any source: share a link, scan a QR code, import a PDF, or write your own notes in the built-in Markdown editor. Trelk's on-device AI reads, summarizes, and indexes everything locally. As your library grows, Trelk automatically discovers connections between ideas — surfacing relationships you'd never find on your own. YOUR PERSONAL KNOWLEDGE GRAPH Every piece of content becomes a node in your knowledge graph. Trelk maps conceptual links between articles, papers, and notes — visually showing how topics relate across your entire library. Watch isolated readings transform into an interconnected web of understanding. OPEN-SOURCE AI, ON YOUR DEVICE Trelk ships with open-source models from Hugging Face that run entirely on your phone. No API keys, no subscriptions, no data leaving your device. Want more power? Bring your own OpenAI or Anthropic key, or download any GGUF model directly from Hugging Face. ASK YOUR LIBRARY Ask questions and get answers grounded in what you've actually read. Hybrid retrieval — full-text search combined with semantic understanding — finds the most relevant content across your entire library. Every answer includes source citations linking back to your original items. FLASH REVIEW & SPACED REPETITION Knowledge fades without review. Trelk generates flash review questions from your content and uses spaced repetition to help you retain what matters. Track your retention score, review streaks, and topic performance over time. DAILY PULSE Start each day with an AI-generated synthesis of your recent saves — key themes, emerging patterns, and suggested connections. Your Pulse dashboard shows reading activity, content trends, and progress at a glance. COMMUNITY COLLECTIONS Browse curated collections assembled by the Trelk community. Import entire collections with one tap. Create and share your own. Build knowledge together. OPEN FORMATS, ZERO LOCK-IN Your notes are Markdown. Your database is SQLite. Export your entire library as CSV or JSON anytime. Full backup and restore of your database and all downloaded files. Every byte of your data is in a format any tool can read. BUILT FOR PRIVACY All AI processing happens on your device. Your data never leaves your phone. No accounts required. Sync is optional — choose Dropbox, Google Drive, OneDrive, or iCloud on your own terms. WORKS WITH EVERYTHING Save from Safari, Chrome, or any app via the share sheet. Upload PDFs, Word documents, and Markdown files. Supports articles, research papers, YouTube videos, newsletters, documentation, and personal notes. AVAILABLE IN 6 LANGUAGES English, Portuguese, Spanish, French, German, and Italian. Read more. Think deeper. Connect everything.

Tired of losing links, photos, videos, audio, files or texts shared from your apps? Captured is your universal clipboard. Tap Share from any app and choose Captured — everything is instantly saved, previewed and enriched, on-device by default. UNIVERSAL CAPTURE Accepts URLs, photos, videos, audio, files and text from any app. Automatic source detection (Safari, YouTube, Instagram, X, Photos...). AUTO-GENERATED PREVIEWS Every item gets a thumbnail: web pages via live browser, photos/videos from first frame, files via QuickLook, audio as waveform, text as typographic render. Thumbnail gallery with on-demand regeneration. AI DESCRIPTION, OCR & TRANSCRIPTION AI image/video description: Apple Vision (free, on-device), OpenAI GPT-4 Vision or Anthropic Claude. Built-in OCR on photos and videos. Audio speech-to-text transcription — all on-device by default, no cloud required. SMART ORGANIZATION Folders with batch move/delete and drag-and-drop reorder. Smart Views: All, Recent (7 days), Unread, With Location, With AI. Configurable sort: manual, newest, oldest, title, source. Filter by type: URL, file, photo, video, audio, text. FULL-TEXT SEARCH & SPOTLIGHT Instant search across titles, URLs, notes, AI descriptions and transcriptions. All items indexed in system Spotlight — searchable from the home screen. RICH METADATA Auto-fetch of web page title and last-modified date (bold title signals updated content). Reverse geocoding of GPS coordinates in photos. WIDGET WidgetKit widget in small, medium and large sizes showing unread items in real time. BACKUP & RESTORE Full JSON export/import (items, folders, settings, thumbnails) with Replace or Merge mode. PRIVACY All your data stays on your device. No account, no server, no ads. Network calls only when you explicitly enable web fetching or AI description via your own API key. iCloud sync, folder by folder Choose exactly which folders you want to find on your other devices. A long press on a folder offers "Sync with iCloud": its photos, videos, files and links — including previews — automatically appear on your iPhone, iPad and Mac linked to the same Apple account. Folders that are not synced remain strictly local. A "Resync iCloud" option lets you reconcile state across devices in one gesture. Link previews: lock, zoom, crop You can now lock a link's preview so it never changes, or enlarge the preview by a factor of 2 to better see thumbnails from your favorite sites. A new setting automatically crops the white or black bands surrounding some previews. Organization: everything by drag-and-drop Reorganize your folders by dragging them in the sidebar. Move an item from one folder to another simply by dragging it onto the destination folder. No more drop-down menus. Paste a link from the clipboard A new menu entry lets you directly add the currently copied link, without going through another app's "Share" menu. Manage your space better The info panel now shows the space used in iCloud when sync is active. A long press on each line gives access to quick actions. The "Delete local data only" option frees up space while keeping your synced folders intact.