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CogniGuide

Editable Double Bubble Map for Comparing Two Topics

See how a double bubble map sets out similarities and differences, then build an editable version from your own notes, PDF or slides.

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CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build Your Own Editable Comparison Map

Turn your reading into a double bubble map you can change node by node.

Built from your own material

Upload a PDF, Word file, slides or notes, and the AI places the key traits into the two bubbles.

Clear shared and unique traits

Central overlap nodes hold what the two topics share, while outer nodes keep each topic's distinct features.

Next steps for revision

Expand any branch with AI, turn the map into a quiz, or create flashcards from the same notes.

How to Make an Editable Double Bubble Map

Three steps from your source material to a map you can edit and study.

  1. 1

    Add your material or topic

    Upload a file or type the two things you want to compare.

  2. 2

    AI builds the comparison

    The map places shared traits in the centre and unique traits around each topic.

  3. 3

    Edit, expand and quiz

    Adjust any node, expand branches, then export or test yourself.

Editable Double Bubble Map: Structure and Use

A double bubble map is a thinking map used to compare and contrast two things. Two large outer bubbles hold each topic's unique traits, and a shared central area holds the similarities. Teachers use it in language arts, science and history because it makes the overlap between two ideas visible at a glance. An editable version lets you revise each bubble as your understanding grows.

  • Left bubble: traits unique to the first topic
  • Right bubble: traits unique to the second topic
  • Centre overlap: characteristics both topics share
  • Connections: links that explain why a trait matters
  • Summary: a short statement of the main comparison

Use the map to plan an essay, check your understanding before a test, or review two related concepts. To build a personalized editable double bubble map from your own notes, create one with CogniGuide.

Explore related topics

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Double Bubble Map Questions

Answers about the method and making your own editable map.

What is a double bubble map used for?

It compares two topics by showing their similarities in a shared centre and their differences in two outer bubbles. It is common in reading comprehension, science and history tasks.

How is it different from a Venn diagram?

A double bubble map uses bubbles and short labels rather than overlapping circles. It also allows space for connected thinking, so students write more about each trait.

Which files can I use to make an editable map with CogniGuide?

You can upload a PDF, Word (DOCX) or PowerPoint (PPTX) file, a text or Markdown file, or an image. You can also type the two topics directly.

Can I turn my double bubble map into a quiz?

Yes. Once the map is built, you can turn it into a quiz to test yourself, and the same notes can also become flashcards.