Side by side
Comet vs Gemini Notebook
Both stand on ai note-taking apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMac
Comet offers local-first Markdown note-taking with core organization and search features. Its current platform support is desktop-focused, while mobile use and deeper cross-device sync are future work.
Visit Comet
Free plan AndroidiPhoneWeb
Gemini Notebook combines source-grounded answers with study and audio-generation tools. Check the Free plan’s daily limits and the Keep Activity requirement for certain features before choosing it.
Visit Gemini NotebookThe facts
| Comet | Gemini Notebook | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac | Android, iPhone, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 5 |
| Maker | Not published | Not published |
| Website | comet.md | notebook.google |
| On ai note-taking apps | #14 of 42 | #10 of 42 |
Comet: what it does well
- Notes are stored locally in SQLite
- No account or sign-up is required to write
- Includes full-text search, notebooks, and tags
- Open source under the MIT License
- Encrypted sync is described in the project materials
What to know first
- Available for macOS and Linux only
- Mobile experience is future work
- Deeper synchronization across devices is future work
- Note linking and Nostr publishing are listed as next steps
Gemini Notebook: what it does well
- Citations point to exact quotes in supplied sources.
- Audio Overview turns sources into podcast-style discussions.
- Study notebooks create quizzes, lessons, flashcards, and infographics.
- Free plan includes 100 notebooks and 50 sources each.
- Available on web, Android, and iOS.
What to know first
- Free plan limits chat to 50 queries per day.
- Free plan allows 3 audio generations per day.
- Some features require Keep Activity to be turned on.
- Code analysis access is rolling out by plan.
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