ai-srs

Learn anything.
Remember everything.

Spaced repetition that adapts to how you think. Full control over your data, your intervals, your learning.

AI gradingVoice inputMarkdown & LaTeXActivity heatmap9 SRS stagesJSON export

AI-Powered

Type your answer.
AI does the rest.

Type a free-form answer, hit enter, and AI determines whether your SRS stage goes up, stays, or goes down. No rigid exact-match. No self-grading honor system. Context-aware — accepts synonyms, alternate phrasings, and understands nuance.

  • SRS stage decisions
    AI determines up, same, or down based on answer quality
  • Deep dive explanations
    One click for detailed breakdowns with examples
  • Customizable prompts
    Override AI instructions per deck to match your style
AI grading
Apprentice II → Guru I92% correct
Your answer
"The mitochondria is the powerhouse of the cell"
Expected
"Mitochondria are the powerhouses of the cell"
Accepted
Singular/plural variation is acceptable. The core concept is correct.
Voice input
Question
Explain the process of photosynthesis
Transcript
"Photosynthesis converts light energy into chemical energy stored in glucose using carbon dioxide and water"
Accepted
Covers the key concepts: light energy conversion, glucose production, and reactants.

Voice input

Speak your answers.
Hands free.

Review without typing. Hit the mic button, speak your answer, and AI grades what you said. Works for any subject — recite definitions, explain concepts, answer in a foreign language. Coming soon: prose grading mode that evaluates not just what you said but how you said it.

  • One-tap mic
    Tap the microphone icon during any review to speak instead of type
  • Any language
    Speech recognition works across languages for language learners
  • Prose grading (coming soon)
    AI evaluates articulation and phrasing, not just content accuracy

Rich content

Full multimedia cards.
Not just plain text.

Markdown, LaTeX, code blocks with syntax highlighting — plus images, audio snippets, and video embeds. Build cards as rich as your subject demands. Anatomy diagrams. Pronunciation audio. Lecture clips. Your cards are mini documents.

**bold**$$math$$| tables |🖼 images🎵 audio▶ video
Front
Identify this structure
Back
The mitochondrion — the cell's energy producer
0:03
365 days of learningActivity heatmap
Less
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Insights

See your progress.
Down to each card.

Activity heatmaps. Per-card accuracy. Response time trends. Review forecasts. All the data nerds want.

94%
Accuracy
127
Day streak
2.3s
Avg response

The system

9 stages. Fully customizable.

From 4-hour reviews to permanent memory. Adjust every interval to match how you learn.

Apprentice I4h
Apprentice II8h
Apprentice III1d
Apprentice IV2d
Guru I1w
Guru II2w
Master1mo
Enlightened4mo
Burned∞

Every interval is editable in settings. Your pace, your rules.

Data freedom

Your data. Portable. Always.

Export everything as JSON anytime. Import from other apps. No vendor lock-in.

Export decks

All cards, categories, and metadata in clean JSON.

Export history

Every review attempt, timestamp, and response time.

Import JSON

Bring your existing decks with batch import.

Ready to own your learning?

Free tier available. No credit card required. No lock-in.