You put in the work. Klugg makes it pay off.

For college, a new job, a public exam or any subject. Klugg finds good sources, builds the path to your goal, asks the questions that make it stick and brings reviews back before you forget. With methods research shows work.

Email only, no card. The web beta is still closed: people on the list get in first.

Watch Klugg help with one goal. Five clicks.

Goal Understand blood pressure 0 of 6 practiced

Hi! What do you want to learn?

Understand blood pressure

I can save this as a goal and build a path for it.

Proposed goal Understand blood pressure
Tap an idea
What will you learn today? Understand blood pressure What will you learn today?
Proposed path · version 1Version 1 · accepted by you
  1. Measuring at homeNot started
  2. HypertensionNot started
  3. Salt and blood pressureNot started
  4. Exercise and sleepNot started
  5. When to see a doctorNot started
Review · show it again

Back tomorrow ·

Review scheduled for tomorrow

Systolic and diastolicExplored
Explanation · with sources

Blood pressure is the force of blood against the walls of the vessels. That is why “120 over 80” means 120 at the highest and 80 at the lowest.

who.int · Hypertension fact sheetoverview

Blood pressure is written as two numbers. The first (systolic) number represents the pressure in blood vessels when the heart contracts or beats. The second (diastolic) number represents the pressure in the vessels when the heart rests between beats.

Systolic and diastolicExplored
Practice · multiple choice

In a reading of “120 over 80”, what is the 120?

  • The lowest pressure, between heartbeats.
  • The number of heartbeats per minute.

Tour complete · 5/5

1 topic practiced.

It comes back tomorrow for review.

Systolic and diastolic · Practicing

Some ways of studying pay off more. Klugg uses those.

Rereading and highlighting are the most common habits, and they feel like progress. Research shows that recalling without looking and reviewing at intervals pay off more. Klugg handles that part for you, in any subject.

Sources: Dunlosky et al., 2013; Roediger and Karpicke, 2006; Cepeda et al., 2006.

  • Reread the materialRecall without looking. Klugg writes the questions.
  • HighlightExplain it in your own words. Klugg points out what was missing.
  • Cram the night beforeReview at intervals. Klugg schedules every review.
  • Build the schedule aloneA path to your goal that fits your hours.
  • Recalling, explaining, practicingThis part stays with you. It is where learning happens.

Start from zero, or from your material.

Klugg researches public sources and quotes the exact passage. If you have slides, PDFs or notes, it teaches from them.

Find out what you know before it matters.

Every topic becomes questions written for you, with feedback on what was missing.

What you learned in March is still there in June.

Each card comes back right before you would forget. Remember it and the gap grows. Forget it and it comes back sooner.

Review

What is systolic pressure?

Answer from memory, then say how it went.

Interval now2 days

  1. Today studied
  2. Day 2 remembered
  3. Day 6 remembered
  4. Day 16 remembered
  5. Day 40 next

Illustrative intervals. In Klugg, every card has its own interval, set by the FSRS algorithm.

Examples

One way to learn, any goal.

Exam on Friday. Material everywhere.

Tuesday, 11 p.m. Marina drops her professor's slides and the Operating Systems textbook into Klugg. It proposes seven topics and starts with scheduling, citing slide 14. She explains round-robin in her own words, and Klugg points out the mix-up between process and thread. On Thursday, nine flashcards are waiting for her.

  • Lessons from your slides and PDFs, with citations
  • Explain it back and see what is still fuzzy
  • A plan until Friday, with the hours she has

A new job. No material.

Ana wants to become a data analyst. She has no material. Klugg researches sources, builds the path and starts with SQL. Every night she answers three questions and sees what is still missing.

  • Good sources found for her, no files needed
  • A path that starts with what comes first
  • Questions with feedback on what was missing

Exam in March. Past papers in PDF.

Rafael studies for a civil service exam after work. He attaches the official syllabus and three past exams. In the exams, Klugg finds the questions with their page and location. He answers question 12, and only then opens the answer key passage from the same PDF to compare. The weekly review shows his ten hours fit the plan until exam day.

  • Questions from your own past exams, with page and location
  • Compare with the answer key after you answer
  • Hours per week, a deadline, and a plan that fits

A book a month. And remembering it.

Tiago finished a book on behavioral economics. He attaches the PDF, highlights the chapter on loss aversion, and asks Klugg to make it stick. Three weeks later, a flashcard brings it back. When he starts a goal about investing, the map already shows loss aversion, with what he showed last time.

  • Highlights and notes on your own PDF
  • Flashcards that come back when they are due
  • A map that links what you learn

What Klugg will not do.

Questions

Do I need to install anything?

No. Klugg will work in the browser. The web beta is still closed, and people on the list get in first.

Does it work for any subject?

It works for anything you learn by reading, explaining and answering: college, exams, a new field at work, books. It does not have voice conversation or hands-on labs yet.

How is this different from asking a chatbot?

A chatbot answers and forgets. Klugg cites the source, tests what you understood and brings the review back.

Is it a course?

No. Klugg brings no ready-made content. It researches sources or uses your material, for the goal you choose.

Which languages, and where does it run?

English and Portuguese, for the interface and for studying. If you use Codex or Claude Code, you can also run Klugg on your own computer and in the terminal.

You bring the goal. Klugg brings the method.

The web beta is still closed. Leave your email: when it opens for you, start with your goal, whatever it is.

Email only, no card. We will only email you about your access to Klugg.