MemBrain - AI-powered Second Brain records 0 monthly visits with — month-over-month growth and Free pricing. Notion records 173,441,670 monthly visits with +0.1% growth and Freemium pricing.
An open-source Chrome side-panel extension for chatting with your choice of AI models while you browse.
The AI workspace where teams and agents get work done together
| Dimension / Metric | | |
|---|---|---|
| Official Domain | chromewebstore.google.com | notion.com |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 (0) | 173.44M (173,441,670) |
| MoM Traffic Delta | 0 (—) | +201.2K (+0.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (18.4%) |
| Direct Visits / mo | 0 | 135.18M |
| User Rating | 3.8 | 4.8 |
| Supported Platforms | Browser Extension | Website |
An open-source Chrome side-panel extension for chatting with your choice of AI models while you browse.
Open an AI chat alongside the page you are reading, without navigating away or switching tabs.
Attach one or more pages, or selected passages, as references so answers draw on your actual source material.
Connect directly to providers such as OpenAI, Anthropic, and Google using your own keys, and add more providers that follow supported API formats.
Save prompt templates to run frequent tasks in a single click.
The AI workspace where teams and agents get work done together
Combine docs, wikis, projects, and databases into one structured system of record that stays linked as your content grows.
Draft, summarize, translate, and answer questions inline, or build custom agents that automate recurring workflows around the clock.
Find answers instantly across Notion and connected apps, with citations so you can verify where each answer came from.
Use relations, rollups, views, and a large template gallery to model anything from a CRM to a content calendar.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
Live meeting transcription and AI notes without a bot in the call
Live meeting transcription and AI notes without a bot in the call
All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
One-click AI assistant for browsing, writing and research
One-click AI assistant for browsing, writing and research
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
Built-in AI agents and automated workflows, but less refined document editing interface.
The best frontend for AI.
SpecialistNetworked object-based knowledge management, but less suited for traditional folder hierarchies and task boards.
SpecialistNetworked object-based knowledge management, but less suited for traditional folder hierarchies and task boards.
