Comparison
Gemini Notebook vs Heptabase
Heptabase is the whiteboard-based knowledge tool for visual thinkers. Gemini Notebook grounds AI in your sources. Different shapes, complementary uses.
Our Verdict
Use both — different layers
Heptabase excels at visual concept mapping and connecting ideas spatially. Gemini Notebook excels at producing cited answers from many sources. Researchers use Heptabase for synthesis maps, Gemini Notebook for source-grounded querying.
Why choose Gemini Notebook
- Cited, source-grounded answers
- Audio Overviews
- Up to 300 sources per notebook
- Free
Why people choose Heptabase
- Visual whiteboard with cards
- PDF annotation with linked cards
- Powerful for thesis-style synthesis
- Native apps with great UX
Frequently Asked Questions
Is NotebookLM a Heptabase replacement?
No — they solve different problems. Heptabase is for visual thinking and spatial organization of ideas. Gemini Notebook is for AI-grounded querying of source material.
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Import sources from 15+ platforms into NotebookLM with one click.