Recall vs Duo Viewer

Every AI gives you the same answers. Recall gives you yours. Join over 500K professionals, students and lifelong learners who are saving hours and turning their knowledge into their edge. One living space for your knowledge and the AI model of your choice. Save what matters, write what you think. Over time, you curate an AI that knows what you know. SAVE, SUMMARIZE & ORGANIZE INSTANTLY Share YouTube videos, podcasts, articles, PDFs, TikToks, recipes, and more with the Recall app. We do the rest. AGENTIC AI CHAT Ask questions across your entire knowledge base, search the internet, or combine both in one conversation. Choose your AI model. Switch models mid conversation. No lock in. LISTEN MODE Turn any content into a summary you can listen to in a custom voice you create. Learn on the go, your way. AUTOMATIC ORGANIZATION See how everything you've saved connects. Your content is automatically categorized and linked, no manual filing. Explore your knowledge visually and discover relationships you didn't know existed. QUIZ & RETAIN Stop doom scrolling and start learning. Generate quizzes on any content. Challenge friends with public quizzes. Spaced repetition and active recall resurface what you've saved at optimal intervals to lock it into long-term memory. BUILT FOR POWER USERS Bulk summarize, tag, connect, and generate quizzes at scale. API and MCP access lets you connect your knowledge base to any other AI tool. CROSS-DEVICE SYNC Start on mobile, finish on desktop. Don't break your workflow.

Make room for two with Duo Viewer, a split-screen browser and file viewer for iPhone. YOUR FAVOURITE WEB APPS, TOGETHER Open two websites on one screen. Compare pages, browse social feeds alongside online video, or keep a reference page within view. Drag the divider to adjust your workspace, minimise a pane when you need more room, and turn your iPhone for a landscape layout. FILES BESIDE THE WEB Import files from the Files app and organise them in Duo Viewer. View PDFs, supported Office and iWork documents, images, text, audio, and video alongside a website or another file. MAKE IT YOUR WORKSPACE • Browse websites in two panes • Save bookmarks and revisit recent addresses • Open links in the other pane • Resize panes and use portrait or landscape mode • Import, view, rename, and delete supported files • Resume your saved workspace