# Anti Noise > iOS app that turns the articles you save into knowledge you'll actually remember. AI Feynman summaries plus auto-generated spaced-repetition flashcards, for knowledge workers who save more than they read. Live on the App Store (iPhone & iPad), English + Vietnamese. ## Product - App Store: https://apps.apple.com/app/anti-noise-feynman/id6770808616 - How it works: Save anything via the Share Extension (URL, note, screenshot) → AI writes a 5-part Feynman summary (simple explanation, analogy, knowledge gaps, real example, deeper question) → auto-generates SM-2 spaced-repetition flashcards so you review only what you're about to forget. - Deep Learn: turn any topic into a guided 7-day, open-paced course (Pro). - Daily Knowledge: a curated learning item each day. - Privacy: local-first (SwiftData), optional sync, AI via Anti Noise backend — captures never sold or used for training. ## Pricing - Free: 3 captures/day, 10 AI summaries/month, auto-flashcards, Daily Knowledge, Share Extension. - Pro: $9.99/month or $59.99/year — unlimited captures and summaries, Deep Learn courses, cross-device sync. 7-day trial. ## Links - Privacy: https://mike43-ai.github.io/anti-noise-legal/privacy/ - Terms: https://mike43-ai.github.io/anti-noise-legal/ - X / Twitter: https://x.com/HuyTM11 - Email: hello@antinoise.app