Spaced Repetition Without Making Cards

This is the thing nobody tells you about Anki before you start: The studying is the easy part. The cards are the job. Most students who try Anki don’t quit because spaced repetition doesn’t work. They quit because maintaining a card library is a skill in itself — one that takes time, habit, and discipline that has nothing to do with the subject they’re trying to learn. Lexie is built on a simple premise: you should be able to study from a photo.

How Lexie works

Take a photo. Your notes, your textbook page, your lecture slide, your whiteboard. Lexie reads it. The AI extracts the key concepts, definitions, and relationships from what you photographed. A study set is generated. Flashcards, short-answer questions, and concept recall — automatically structured. You review. FSRS scheduling shows you each card at the right time, based on how well you’re remembering it. That’s the whole workflow.

Why card creation is the real problem

The spaced repetition research is solid: reviewing material at increasing intervals dramatically improves long-term retention compared to re-reading or cramming. This has been replicated across hundreds of studies. The practical problem is that spaced repetition tools have always required you to create the cards yourself — which means the barrier to using the method is high. Students either invest weeks building a library, or they never start. Lexie removes that barrier entirely. You photograph what you already have. The cards exist the moment you need them.

What you get

  • Automatic cards from photos — no typing, no formatting, no editor
  • FSRS scheduling — the same evidence-based algorithm as Anki, built in by default
  • Image occlusion (beta) — photograph diagrams and Lexie creates fill-in-the-blank visual cards automatically
  • Practice modes — flashcards, multiple choice, and open recall questions generated from the same photo
  • No account needed — open the app, take a photo, start reviewing
  • Local-first — your cards stay on your device, not stored in the cloud

Works best for

  • Science studentsBiology diagrams, chemistry equations, anatomy illustrations
  • Language learnersVocabulary lists, grammar tables, example sentences
  • Exam prepAny dense written material you need to retain, not just skim

A note on pricing

Anki is free because it runs entirely on your device — no AI, no server involved. Lexie uses AI to generate cards from photos, create audio, and give you feedback on answers. That costs real money to run. What we don’t do: store your study materials in the cloud, sell your data, run ads, or use your content to train AI models. Lexie is local-first. Your cards and progress stay on your device. The subscription funds the infrastructure required to run the AI — nothing else.

The honest trade-off

Lexie doesn’t import Anki decks (.apkg) yet. If your existing Anki library is what you’re trying to keep using, this isn’t the right tool today. If you’re starting a new subject, rebuilding your approach to studying, or you tried Anki and the card creation stopped you before you got started — take a photo. See what happens.

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Turn your notes into practice questions in seconds

Lexie uses active recall and spaced repetition to help you actually remember what you study. Snap a photo of your notes and get instant practice.