Dynamic flashcards

Master any concept.Flashcards evolve as you learn.

Kintsugo asks about the same idea in different ways over time, so you never just memorize the wording.

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OTHER FLASHCARD TOOLS

The same question,
repeated until you burn out.

DAY 1What is the powerhouse of the cell?
DAY 4What is the powerhouse of the cell?
DAY 16What is the powerhouse of the cell?
DAY 64What is the powerhouse of the cell?

You memorize the sentence.

Kintsugo

Questions change,
until it clicks.

DAY 1What is the powerhouse of the cell?
DAY 4What organelle inside cells makes energy?
DAY 16Why would a cell with damaged mitochondria fatigue faster?
DAY 64Why would some cells have more mitochondria than others?

You master the concept.

How it works

Write one card. We handle the rest.

01

Write one card

Write a flashcard in your own words and put the concept you want to learn in brackets.

New card
The [[mitochondria]] is the powerhouse of the cell.
Add →
02

Kintsugo handles your study schedule

When you keep getting a card right, Kintsugo moves on to a variant card: the same idea, asked a different way. That makes you think instead of recalling the wording.

Review schedule
DAY 1What is the powerhouse of the cell?
DAY 4What organelle inside cells makes energy?
03

Master concepts

Each variant card asks about the same idea a different way, so only real understanding gets you through. You'll feel the difference and can review your performance.

Concept mastery
[[mitochondria]]94%
[[glycolysis]]78%
[[Krebs cycle]]41%
Features

Studying without the busywork.

Kintsugo plans the queue, writes variant cards, and surfaces your gaps.You just review.

Spaced repetition scheduling

Kintsugo schedules your flashcards automatically, keeping you focused on what matters most each day.

Daily queue

Dynamic flashcards

As a card becomes familiar, Kintsugo switches to variant cards that ask about the same idea in different ways, so your understanding keeps growing.

Variant cards

Cram mode

Study your entire deck before a test, even when cards are not scheduled today.

Full-deck drill

Concept statistics

Get feedback on which concepts you struggle with, so you know where to spend your study time.

Deck-level feedback

Knowledge gap analysis

Understand exactly which part of each concept is not clicking, so you can clear up misconceptions.

Within-concept diagnosis

Smart exam scheduling

Set an exam date and Kintsugo will organize the deck settings so every card appears at least once before test day.

Coming soonDeadline planning
Pricing

Start free.Upgrade when you need more.

The only difference between plans is how many dynamic flashcards you get: cards Kintsugo asks about in different ways over time.

Free

$0
No credit card needed
50 dynamic flashcards, one time
Start free

Pro

$99/year
Billed yearly
7,200 dynamic flashcards a year
Choose Pro

Every plan includes

  • Unlimited static flashcards
  • Spaced repetition scheduling
  • Cram mode
  • Concept statistics

Coming soon: deck sharing and smart exam scheduling

Cancel anytime and keep every card you've made.

Frequently asked