bicycle.ai · Vienna

The mind that studies well becomes the mind that thinks well.

A desktop learning OS. It reads your course materials, builds a path through them, and shapes itself around how your mind works. It remembers what you know — and what you don't.

A bicycle for your mind — and a teacher inside it.
Bicycle-Aristotle
Today · Aristotle
"Cardiovascular weak spot. 12 days to your exam. Start there."
Pharmacology I
Summer 2026
Anatomy II
Summer 2026
Thesis Project
Ongoing
A new way to study

Every student has the same problem.
No one built the solution.

01
Reread everything
The night before. Familiarity feels like knowledge. It isn't.
02
Make flashcards
Hours of manual work. No system. No tracking. Cards gather dust.
03
Ask ChatGPT
No memory of you. Resets every session. Doesn't know your exam is next week.
04
Bicycle-Aristotle
Reads your materials. Builds the path. Tracks what you know. Adapts to your mind.

Students don't fail because they aren't smart. They fail because no one ever gave them a system.

The idea

"We are what we repeatedly do. Excellence, then, is not an act but a habit."

Aristotle, Nicomachean Ethics · The idea behind the name.

The student who reads the same slide five times feels like they know it. They don't. Knowledge is not familiarity — it is what you can recall, apply, and connect under pressure. Bicycle-Aristotle doesn't help you re-read. It builds the habits that turn material into mastery.

What it does

Not a study tool.
A learning system.

It reads everything you give it. Builds a map of what needs to be learned and in what order. Tracks what you actually know — concept by concept — so you never waste time on what you've already mastered.

01

Reads your materials

Upload lecture PDFs, notes, past exams. Aristotle processes everything — not just the text, but the structure, the concepts, and how they connect to each other.

02

Builds the roadmap

From your materials, Aristotle constructs a learning path. What to study first. What depends on what. Where you are now and where the exam is.

03

Tracks what you know

Every session updates your confidence per concept. Aristotle always knows your weak spots — and surfaces them before you think to look. The forgetting curve works against you. Aristotle works against it.

04

Shapes itself around you

No two students study the same way. Onboarding is a conversation — Aristotle listens, then builds an interface that fits how your mind actually works. Not a template. Your layout.

Most tools tell you what to study. Aristotle is the first one that knows whether you've actually learned it.

The interface

And this is what it
actually looks like.

Three views you'll live in. The Home Space where every course sits. The Room where Aristotle teaches you — in four different ways. And the first conversation that shapes it all around you.

Live mockup — try the tabs, switch rooms, click through the modes.
Bicycle-Aristotle
Aristotle ready
A
Today · Mon 12 May
Pharmacology I
"Cardiovascular weak spot. Renal chapter due Thursday."
Anatomy II
"Last session: 4 days ago. Quiz pending."
Thesis
"3 sources unprocessed."
Ask Aristotle
Your Rooms
Summer 2026 · Medicine
Pharmacology I
2h ago3 weak spots
Summer 2026 · Medicine
Anatomy II
4 days1 weak spot
Ongoing · Research
Thesis Project
last weekno roadmap yet
+ New Room
A
Pharmacology I
Summer 2026 · 12 days to exam
Materials
Learning Roadmap
Pharmacology I
Cardiovascular Agents · Active topic
"Beta blockers — 48% confidence. This is your exam's weak point."
Quiz mode · 8 cards due today
What is the primary mechanism by which beta blockers reduce blood pressure?
Beta blockers competitively antagonize catecholamines at β-adrenergic receptors, reducing heart rate and cardiac output. MAP = CO × SVR — when CO drops, MAP drops.
"You had the direction right last time. Did you get the mechanism this time?"
3 / 8
Concept · Beta Blockers · Last seen 3 days ago Confidence 38% · weak spot
Briefing · Cardiovascular Agents · Chapter 4
Aristotle
"Let's start with the receptor. The β1 receptor sits on the SA node and ventricular myocardium — two places that control how fast and how hard the heart beats. Block it and you slow both down."
Key concepts surfaced
β1 receptor location
known
Cardiac output equation
weak
Sympathetic nervous system role
untested
Feynman · Explain it back
Concept · Beta Blockers
"Explain this as if teaching a 16-year-old who knows nothing about pharmacology."
No vague language. He's reading carefully.
Aristotle's feedback
"You explained the effect correctly but skipped the receptor entirely. A 16-year-old would ask: what is a receptor and why does blocking it matter? Try again — start with the receptor."
Socratic · Dialogue mode
"Aristotle will not give you answers. Only questions. Your reasoning is the lesson."
A"You said beta blockers lower blood pressure. What does blood pressure actually depend on?"
S"Heart rate and… vessel resistance?"
A"Close. You're missing one variable. Think about what the heart actually pumps out per beat."
S"Stroke volume? So MAP = CO × SVR and CO = HR × SV?"
A"Now you have it. Apply that to what a beta blocker actually does."
Aristotle
Ready
"Beta blockers slow the heart by blocking adrenaline. Before I explain — what do you think happens to blood pressure when heart rate drops?"
It should go down since the heart is pumping less forcefully?
"Close. The direction is right. The mechanism is slightly different — it's output, not just force."
First run · Setting up your space
"Before we build anything — tell me how you actually study. Not how you think you should. When do you do your best work? What breaks your focus?"
Usually late at night. I lose focus after about 45 minutes. I tend to reread everything instead of testing myself.
"That's useful. The rereading is a trap — familiarity feels like knowledge. I'm going to suggest something you probably haven't tried..."
Aristotle is suggesting a new room configuration — see preview →
Live preview
"Cardiovascular weak spot. 12 days to your exam."
Pharma I
Anatomy II
"This layout puts your materials front and centre and limits distraction. Given your 45-minute focus window, I've kept the interface dense but scannable."
Layout · Workshop
Palette · Warm Navy
Density · Comfortable
Rooms · naming next…

Enter a room. Leave knowing more than when you walked in.

The teacher inside

Habits shape character.

Aristotle didn't lecture. He walked alongside his students — in conversation, asking questions, pushing them to reason their way to the answer. That is the model.

Bicycle-Aristotle doesn't give you the answer first. It asks what you already think. It corrects what's wrong — directly, without softening it. It explains what you missed, then asks you to apply it.

After enough sessions, it knows which concepts you've mastered and which ones you always avoid. It notices the patterns you don't.

How you study — the actual habits — determines the kind of thinker you become.

A private conversation Ready
Beta blockers. You got the direction right on blood pressure — but you missed the mechanism. It's cardiac output, not contractile force. Before I continue: where does cardiac output come from?
Heart rate times stroke volume?
Correct. Now — if a beta blocker reduces heart rate and stroke volume stays the same, what happens to output?
It drops. So blood pressure drops because output drops.
Exactly right. That's the mechanism. Remember it that way — not as a fact, but as a chain. Chains are harder to forget.
Not a chatbot. A teacher who knows your weak spots.
Your data. Your device.

Aristotle remembers.
No one else does.

What Aristotle stores — locally
  • Your profile — how you learn, your preferences
  • Per-concept confidence scores, updated after every session
  • Session history per Room
  • His own notes and summaries — .md files inside your Rooms
  • Your uploaded materials and their knowledge structure
~/Library/Application Support/Bicycle-Aristotle
Your device is the boundary
What leaves your device
  • The specific question you ask — to generate an answer
  • Relevant excerpts from your materials, for that answer only
  • Nothing else. No documents stored remotely. No profile data. No scores.
Every API call auditable in Settings

"Your study data is not a product. It's yours — the same way your notes are."

100%
Of your materials stored locally on your machine
0
Third parties with access to your content
Rooms you can create — no limits, no tiers in v1
What comes next

Bicycle-Aristotle is the first step.

Now · Available first
Bicycle-Aristotle
A desktop learning OS. Any subject. Any student. Habits shape character. The first product of bicycle.ai.
Next · Spaces
The interface becomes programmable
Share your learning system — not your notes, your methodology. Other students download it and make it their own.
Year 2 · Carl
The hardware arrives
bicycle.ai runs on a device built for it. Not a computer running AI software. An AI device, from the ground up.

Bicycle-Aristotle is a product. But it is also a proof — that an AI can learn who you are, adapt to how you think, and help you become better at the thing you are trying to do. Once that is proven for students, it works for everyone.

That is what bicycle.ai is building. Aristotle is where it starts.

Now in private development

Be the first.

Bicycle-Aristotle launches first to students. If you study, this is for you.

Free during early access · macOS only for now · Vienna-built