Crystallized Learning
iOS app by Roos Vroon. Education · Roos Vroon
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-11
View the original store listing
Store description excerpt
Turn anything you read, watch, or study into a connected personal knowledge system you can understand, remember, and use. Crystallized combines personal knowledge management (PKM), source capture, evidence-backed flashcards, concept maps, adaptive review, a personal dictionary, and a Quotebook in one learning workflow. Spaced repetition supports the system, but it is not the whole system. CRYSTALLIZE SOURCES INTO KNOWLEDGE Save notes, passages, webpages, PDFs, images, videos, and shared links. Pull out grounded ideas, create focused cards, and keep the original evidence attached so knowledge never loses its context. BUILD A MAP OF WHAT YOU KNOW Organize cards around concepts and connect prerequisites. See how ideas build on one another, where your understanding is stable, and what is ready to learn next. LEARN FOUNDATIONS FIRST Crystallized separates recall, explanation, and connection. Foundations come before harder explanations and relationships, helping you build understanding from first principles. REVIEW AT THE RIGHT TIME Adaptive spaced repetition brings knowledge back before it fades. Review by typing, speaking, recalling an exact command or formula, completing a list, or judging your own answer when that fits best. CONTINUE ON MOBILE AND WEB The mobile app is the companion to the full Crystallized web app. Capture and review on the go, then continue long-form source reading, detailed card editing, and knowledge-map work on a larger screen. Your account stays in sync. KEEP WORDS AND QUOTES WORTH REMEMBERING Build a personal Dictionary and Quotebook alongside your knowledge map. Save important terms and favorite lines with their author and work, then learn them by heart if you choose. USE AI DELIBERATELY Ask AI to help draft cards, assess written answers, or research a source when you request it. Crystallized asks for permission before sending learning content to a third-party AI provider. You can withdraw permission at any time. START FREE Core cards, reviews, the knowledge map, and your library are available on the free plan. Optional Pro and AI Studio subscriptions increase AI-assisted creation allowances. Subscriptions renew automatically unless canceled in Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Additional Terms: https://crystallized.app/terms
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