
Notion
Capacities
Tana
Constella
Obsidian
Evernote
Google Docs
The AI-native second brain — notes, docs, tasks, and every top AI in one workspace.

Evernote
OneNote
Todoist
Notion
Simplenote
Standard Notes
Joplin
Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | brainfo.ai | google.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Canada · 10 - 19 employees · 2026 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


Brainfo is an AI-native second brain that replaces a scattered productivity stack — Notion, Evernote, Obsidian, Google Docs, Todoist, and several AI tabs — with one calm, integrated workspace. It brings together everything knowledge workers need to think, write, and ship: Notes — fast...
No description of Google Keep yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Google Keep is recommended for individuals who need a basic, user-friendly note-taking tool without excess features. It is particularly beneficial for users who are frequent users of other Google services, as it offers seamless integration. It's an ideal choice for students, professionals, or anyone needing to keep quick, organized notes and lists.
Walkthroughs and reviews on video.
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Google Keep, Simple and Clean Note-taking App 2018
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Brainfo and Google Keep.
Brainfo's answer
Brainfo started from a problem the team kept running into themselves: knowledge work is fragmented.
Notes lived in one app. Docs in another. Bookmarks in a third. Tasks in a fourth. AI in three different browser tabs. The "second brain" promise of modern productivity tools kept colliding with the reality that no single tool actually delivered it — every option was either too simple to be powerful, or too powerful to be usable.
The team set out to build the second brain they wished existed: one workspace that combines the lightweight capture of Google Keep, the writing depth of Google Docs and Notion, the linked thinking of Obsidian, and the AI capabilities of ChatGPT, Claude, and Gemini — without any of the overwhelm, plugin tinkering, or constant maintenance those tools demand.
Brainfo is designed around Tiago Forte's CODE methodology (Capture, Organize, Distill, Express) and built on three core beliefs: that knowledge should be connected, not scattered; that AI should be multi-model and included, not paywalled and locked to a single provider; and that great tools should feel ready on day one, not after a weekend of setup.
Today, Brainfo is in early access with a growing waitlist of students, writers, creators, freelancers, managers, and teams who've decided their second brain shouldn't feel like a second job.
Brainfo's answer
Because every major competitor forces a trade-off Brainfo doesn't.
Notion is powerful but overwhelming — you spend hours building the system before getting work done. Brainfo gives you the same flexibility without the blank page or "productivity theater."
Obsidian is private and powerful but technical — plugins, Markdown setup, and weak mobile slow you down. Brainfo gives you the same local-first linked thinking with a polished web and mobile app, no plugins required.
Evernote is familiar but flat — no databases, no links, no second-brain structure, and single-model AI. Brainfo keeps the easy capture and adds connected knowledge plus every top AI model.
Google Keep and Docs are simple but shallow — your knowledge ends up scattered across four different apps with Gemini paywalled. Brainfo unifies everything in one workspace with multi-model AI included.
Tana is AI-native but heavy — Supertags and credit-metered AI take time to learn and add up fast. Brainfo gives you AI-native power on one flat subscription, with a far gentler learning curve.
In short: Brainfo is the only second brain that's powerful enough for serious work, simple enough to use from day one, and AI-native by default — not as an upsell.
Brainfo's answer
Three things set Brainfo apart from every other note-taking and knowledge-management tool on the market:
It's AI-native and multi-model. Brainfo includes a built-in AI Chat Hub that lets you switch between ChatGPT, Claude, Gemini, DeepSeek, GLM, Grok and other top models on a single subscription — and the AI works directly on your own notes, docs, and files. No other mainstream second-brain tool offers true multi-model AI in one place.
It's ready out of the box. There's no blank page, no plugin setup, no template tinkering, no "second job" maintaining the system. Brainfo ships with pre-built structure, ready-made workspaces, and AI agents that organize content for you — so you start working in minutes, not weeks.
It's powerful but not overwhelming. Notes, Docs, Bookmarks, Databases, Tasks, Goals, and AI all live in one workspace, but the UI stays calm and execution-focused. You get Notion-grade power without Notion-grade complexity, and Obsidian-grade linking without Obsidian-grade setup.
Add to that local-first architecture, real-time collaboration, offline support, and end-to-end encryption — and Brainfo becomes the first second brain built for both serious thinking and serious doing.
Brainfo's answer
Brainfo is built for knowledge workers who think for a living and want one calm place to do that thinking — not five disconnected apps.
The core audience breaks into six groups:
What unites them is a single shared frustration: their work and knowledge are scattered across a notes app, a docs app, a bookmark manager, a task app, and three AI tabs — and they want it all in one place, with AI built in, without spending a weekend setting up the system.
Brainfo's answer
Brainfo is built as a modern, local-first web application with native mobile clients.
The core stack includes:
Brainfo's answer
Share your experience with using Brainfo and Google Keep. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Brainfo yet. Be the first one to post
No, Google is not discontinuing Google Keep. They ended support for the Google Keep Chrome app in early 2021 and encouraged users to migrate to the web version of Keep.
Google Keep has most of what you need in a note-taking app; to-do lists, audio notes, a web clipper, and images. In addition, you can archive notes to achieve a cleaner interface.
Google Keep Notes has long been a popular note-taking app for its simplicity and versatility. However, if you're looking for something different or need additional features, there are several free alternatives that...
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