Start with what you have.
Drop in your lecture PDF, essay, or slides. The stuff you actually need to learn.
A little clarity for your course material
The lecture slides. The dense PDF. That one paragraph.
Turn your course material into a conversation that clicks.
Free to start·No credit card needed
Mitochondria convert the energy stored in nutrients into ATP.
Okay, but what does that actually mean?
Think of it as your cell’s energy exchange.
Food stores the energy. Mitochondria turn it into ATP — a form your cell can actually use.
↳ Your notes, page 4Simple from the start
Bring your material. Ask a question.
Work through the answer at your own pace.
Drop in your lecture PDF, essay, or slides. The stuff you actually need to learn.
“Explain this more simply” is a good question. You don’t need the perfect prompt.
Get an explanation grounded in your material, with the steps and source to go with it.
Take a look inside
Pick a question below to explore
an example conversation with Pyrdo.
Think of food as money in a savings account. It has value, but your cells need to convert it into something they can use.
Mitochondria make that exchange. They turn energy from nutrients into ATP, which powers things like moving a muscle or building a molecule.
A guided example with prepared answers.
A little help where it matters
Some things take a second explanation.
Or a third. That’s what Pyrdo is here for.
Answers work from the material you upload. Go back to the source and check the explanation for yourself.
Turn on Think longer with Pro when you need the working laid out, step by step.
Your conversations are saved. Come back to last week’s question without starting from scratch.
Room for every study routine
A little help today, or more room for the whole semester.
Choose what works for you.
No card required
A fresh perspective on the reading in front of you.
Start studying free$9.99 billed monthly
More room to study, one month at a time.
$59.88 billed yearly
The same Pro features, with a little more saved.
All prices in USD. Pro is billed through Polar. Cancel from your account at any time.
Before you dive in
Bring a lecture PDF, an essay, a slide deck, or your own notes. Free supports documents up to 6,000 characters; Pro supports up to 30,000.
Yes. You get 15 questions a day for the first 7 days, then 10 a day on the Free plan. No card is required to start.
Pyrdo is built around the material you’re studying. Upload it once, then ask follow-up questions in the same conversation. Answers draw on your document and show the working.
AI can make mistakes. Use the explanations to work through your material, and check important details against the original source. More questions.
Your next moment of clarity starts here
Your material. A good question. A place to start.