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AI flashcards from your PDFs. Ready in five minutes.
Highlight what matters – diagrams too. Aynora turns it into flashcards and reminds you right when you would otherwise forget.
- Upload a PDF
- AI creates flashcards
- Study with spaced repetition
- Voice teacher (Pro & Tutor)
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3.2 Cellular respiration
Cellular respiration has four stages.
Glycolysis takes place in the cytoplasm and does not require oxygen.
It yields a net 2 ATP and 2 NADH.
New card
Where does glycolysis take place – and does it need oxygen?
Three steps to your first card
01
Drop in a PDF
Script, slides, lecture notes.
02
Highlight, don't retype
Mark text or a diagram, pick a card type.
03
Study when it counts
Every day, Aynora shows you only what's due.
Less copying. More remembering.
AI cards from text and diagrams
Highlight a paragraph or draw a frame around a diagram – the AI writes fitting questions.
Card types of your choice
Q&A, cloze, definition, list or why/how – you decide what gets created.
Review at the right moment
Spaced repetition reschedules every card: hard ones return soon, solid ones less often.
On your phone and your laptop
In the browser or installed as an app, with dark mode – in German, English or Spanish.
Learn like with a tutor.
The teacher reads the question aloud, listens to your answer and gives you a hint instead of giving away the solution. No typing at all.
- The question is read aloud
- You simply answer out loud
- A hint instead of the solution – the second try works
- Up to 300 teacher cards a month
Teacher is speaking…
Listening…
“In the cytoplasm?”
Try it for free. Upgrade when the exam gets closer.
Plus
€2.99 / month
- 15 PDFs / month
- 400 new cards / month
- 30 decks
- Highlight text & graphics
- KO mode
Pro
€5.99 / month
- 30 PDFs / month
- 800 new cards / month
- 60 decks
- Highlight text & graphics
- KO mode
- Stronger AI for diagrams
- Voice teacher: up to 300 teacher cards a month
Tutor
€16.99 / month
- 30 PDFs / month
- 800 new cards / month
- 60 decks
- Highlight text & graphics
- KO mode
- Stronger AI for diagrams
- Voice teacher: 20 h a month, no card limit
Need more? Plus and Pro can buy one-off add-on packs: +200 cards, +10 PDFs, and on Pro also +150 teacher cards. Packs aren't available on Free – upgrade to Plus or Pro instead.
Compare all details →Frequently asked questions
Which PDFs work?
Scripts, lecture slides and notes as PDFs up to 20 MB; the first 50 pages of each file are read. It works best with PDFs whose text can be selected. For scanned pages without a text layer you can mark areas as a graphic – the AI then reads them from the image.
Is my data safe?
Your PDF is read directly in your browser and is not stored on our servers. To create cards, only the highlighted passages, the text of that page and marked graphics are sent to our AI provider. We store your account and your cards with Supabase. Details are in the privacy policy.
How good are the AI cards?
The AI writes short, precise questions and sticks to the highlighted content – it is told not to invent anything. Still, every card starts as a suggestion: you review and edit it, and only ticked cards go into your deck.
What does the voice teacher do?
On Pro and Tutor the voice teacher reads each question aloud with an AI voice, listens to your spoken answer and judges it. If it's incomplete you get a hint and a second try; then it tells you the answer and suggests a rating for the next review. Pro includes up to 300 teacher cards a month, Tutor 20 h of teacher time per billing month.
Can I cancel anytime?
Yes. Plus, Pro and Tutor are monthly subscriptions with no minimum term. You cancel yourself under “Plans & limits” → “Manage subscription” (Stripe customer portal); your plan stays active until the end of the paid month. Free stays free.
What happens when I run out of my monthly allowance?
New cards and PDFs count per calendar month and reset at the start of each month. You can keep studying your existing cards at any time. On Plus or Pro you can also buy one-off add-on packs; on Free the way to get more is upgrading to Plus or Pro.