I run a 12-person marketing agency in Portland. We produce content, manage campaigns, and coordinate with about 30 active clients at any time. For three years, our notes lived in a messy combination of Google Docs, Slack threads, and whatever random app each person preferred.
It was a disaster.
But client briefs got lost. Meeting notes disappeared into Slack. Institutional knowledge walked out the door every time someone left the team.
So in January, I decided to fix it. Pick one note-taking system. Move the whole agency onto it. Three contenders: Notion, Obsidian, and Roam Research.
I used each one for two weeks with real agency work. Not a toy test -- actual client projects, actual team workflows, actual deadlines. Here's what I found.
How We Tested
I'm not interested in feature lists. I can read a marketing page. What I needed to know was whether each tool could handle the specific things my agency does every day:
- Client briefs and project tracking -- Can we create a brief, assign tasks, and track progress without switching apps?
- Meeting notes -- Can someone take notes during a client call and share them with the team in under a minute?
- Knowledge base -- Can we build a searchable library of processes, templates, and past work?
- Onboarding -- How fast can a new hire get productive in this tool?
- Cost -- What does this actually cost for 12 people?
I also tracked how much time my team spent fighting the tool versus using it. If a system saves you 20 minutes on note-taking but costs you 30 minutes on setup and maintenance, that's not a win.
Note-Taking: Obsidian Wins
For pure note-taking -- sitting down, typing thoughts, organizing ideas -- Obsidian is the best of the three by a noticeable margin.
The speed is the first thing you feel. Obsidian opens instantly. No loading spinner, no waiting for a server. You hit a hotkey, a new note appears, and you start typing. It's markdown under the hood, which means your notes are plain text files sitting on your hard drive. No proprietary format. No vendor lock-in. If Obsidian disappeared tomorrow, you'd still have every note.
Notion is slower. Every action involves a network request. Creating a new page, moving a block, searching -- there's always a beat of latency. It's not terrible, but after two weeks in Obsidian, going back to Notion felt like typing through mud.
Roam Research is fast for short notes because everything is an outliner. You open today's daily page and start typing bullet points. For quick capture, this works well. But anything longer than a few paragraphs feels cramped in Roam's outline format. Writing a proper document in Roam is like writing an essay in a bulleted list -- technically possible, but awkward.
Winner: Obsidian. Fastest, most flexible, and your data stays on your machine.
Project Management: Notion Wins
This wasn't close.
Notion is the only one of the three that can genuinely replace a project management tool.
Notion databases are powerful. I built a client tracker in about 20 minutes -- a table with columns for client name, project status, assignee, deadline, and priority. Each row links to a full page with the client brief, meeting notes, and deliverables. Add a board view for the kanban folks, a calendar view for deadline tracking, and a gallery view for the visual thinkers. Same data, different lenses.
My project manager loved it. She could see everything in one place without switching between Asana and Google Docs.
Obsidian can approximate project management with community plugins like Kanban and Dataview, but it requires real setup work. Dataview is essentially a query language for your notes. It's powerful in the same way that SQL is powerful -- technically capable of anything, practically useful only if you're willing to learn the syntax. Most of my team would never touch it.
Roam Research has no project management features worth mentioning. You can tag things and filter by tag. That's about it.
Winner: Notion. Nothing else in this comparison comes close for team project management.
Team Collaboration: Notion Wins
Another clear Notion category. When you need multiple people working in the same system, Notion is built for it.
Real-time co-editing works well. Permissions are granular -- you can give a client read-only access to their project page without exposing internal notes. Teamspaces let departments organize their own areas. Comments, mentions, and page-level discussions keep conversations attached to the relevant context instead of buried in Slack.
I set up a shared workspace for my team in about two hours. Client pages, internal wiki, meeting notes database, content calendar. Everyone could find what they needed within a day.
Obsidian is a single-player tool pretending it can do multiplayer. You can share a vault through Dropbox or iCloud, but there's no real-time editing, no permissions, no comments. If two people edit the same file simultaneously, you get a conflict. For a solo knowledge worker, this is irrelevant. For a 12-person team? Dealbreaker.
Roam Research has multi-player graphs where multiple users can work simultaneously. It actually works reasonably well for small groups -- the real-time syncing is smooth. But there are no permissions. Everyone sees everything. For a team with client-confidential information, that's a non-starter.
Winner: Notion. The only real option for teams that need collaboration, permissions, and shared structure.
AI Features: Notion Wins
The AI gap between these three tools is enormous. In 2026, this isn't a gimmick category anymore -- it's a productivity multiplier.
Notion AI is genuinely impressive. Built into the product on Business and Enterprise plans. You can summarize meeting notes, draft content, translate documents, and extract action items. The new Custom Agents feature lets you set up autonomous assistants that handle recurring tasks -- triaging incoming requests, generating status reports, processing meeting notes into action items. Under the hood, you can choose between GPT-5.2, Claude Opus 4.5, or Gemini 3, or let the system auto-select the best model.
For my agency, the meeting-notes-to-action-items pipeline alone saves about 3 hours per week.
Obsidian handles AI through community plugins, primarily Copilot. It's capable -- you get chat-based search across your vault, web clipping, custom system prompts, and a side-by-side diff view for AI-suggested edits. But you need to bring your own API keys, configure the plugin, and manage updates yourself. The quality is good once it's set up, but the setup is non-trivial and I wouldn't ask a non-technical team member to do it.
Roam Research has almost nothing on the AI front. A few community extensions, but nothing built-in and nothing approaching the depth of Notion or even Obsidian's plugin ecosystem.
Winner: Notion. Built-in, multi-model, agentic AI that works out of the box.
Mobile Experience: Notion Wins (Barely)
All three have mobile apps. None of them are great.
Notion's mobile app is the most functional. You can do almost everything the desktop app does, though complex database views feel cramped on a phone screen. The recent Notion 3.2 update improved mobile AI features, which helps for quick tasks like summarizing a note or drafting a reply.
Obsidian's mobile app is fine for reading and light editing. But the plugin ecosystem -- which is half the reason you use Obsidian -- doesn't translate well to mobile. Many plugins are desktop-only or have limited mobile functionality. If you rely on Dataview or Templater, your mobile experience will be significantly stripped down.
Roam's mobile app is functional for quick capture. The outliner format actually works reasonably well on a small screen since everything is short bullets. But it feels like a web wrapper rather than a native app.
Winner: Notion. Most capable on mobile, though none of these are mobile-first apps.
Pricing: Obsidian Wins
This is where the math gets real for teams.
Notion: Per-seat pricing. Plus is $10/user/month (annual) and Business is $20/user/month (annual). For my 12-person agency on Business -- which I'd need for the AI features and advanced permissions -- that's $240/month or $2,880/year. The free plan exists but is too limited for team use.
Obsidian: The core app is free, forever, for both personal and commercial use. Sync (cloud sync across devices) is $4/month per user with annual billing. Publish (turning notes into a website) is $8/month. For 12 people who only need the core app, the cost is $0. If everyone needs Sync, it's $48/month. Commercial license is $50/user/year, so $600/year for the whole team.
Roam Research: $15/user/month. No free tier. No discount for teams. For 12 people, that's $180/month or $2,160/year. There's a Believer plan at $500 for 5 years per user, but asking a company to commit $6,000 upfront for a tool that may not exist in five years is a tough sell.
And the pricing gap is staggering. Obsidian for a 12-person team could cost literally nothing. Notion on Business costs $2,880/year. Roam costs $2,160/year. For a small agency watching margins, this matters.
Winner: Obsidian. Free core product versus $240/month for Notion is hard to argue with.
Who Should Use What
After two weeks with each tool, the recommendations are clear.
Choose Notion If:
- You've got a team of 5+ people who need to collaborate
- You want notes, project management, and docs in one tool
- You value AI features and don't want to configure plugins
- You can budget $10-20/user/month
- Your team includes non-technical people who need a gentle learning curve after initial setup
Choose Obsidian If:
- You're a solo knowledge worker or a very small team (1-3 people)
- You care deeply about data ownership and privacy
- You want the fastest, most customizable note-taking experience
- You're comfortable with markdown and willing to set up plugins
- Budget is a concern -- the free tier is genuinely complete
Choose Roam Research If:
- Your primary workflow is research and idea development
- You think in networks, not hierarchies -- bidirectional linking is essential to how you work
- You're already a Roam user with an established graph
- You work solo -- Roam's collaboration features are too limited for real teams
Skip Roam Research If:
- You're evaluating tools for the first time in 2026 -- Obsidian does everything Roam does and more, for free
- You need team collaboration
- You want AI features
- You're price-sensitive
The Verdict
I chose Notion for my agency. The collaboration features, project management capabilities, and built-in AI made it the only realistic choice for a 12-person team. The $240/month on Business is real money, but the alternative -- maintaining separate tools for notes, projects, and docs -- costs more in time and context-switching.
If I were a solo consultant or freelancer? I'd use Obsidian without hesitation. It's faster, it's free, my data stays on my machine, and the plugin ecosystem means I can build exactly the system I want. The lack of collaboration features is irrelevant when you're a team of one.
Roam Research is the hardest to recommend in 2026. It was genuinely revolutionary when it launched -- bidirectional linking, daily notes, and networked thinking were concepts that Roam brought to the mainstream. But the competition absorbed those ideas and kept building. Roam didn't. At $15/month with no free tier, limited AI, and minimal collaboration, it's a tough sell unless you're already deeply invested in the Roam workflow.
Look -- the note-taking market has matured. These aren't toys anymore. They're infrastructure for how knowledge workers think and teams operate. Pick the one that matches your actual workflow, not the one with the best marketing page. For teams, that's Notion. For individuals, that's Obsidian. For researchers with existing Roam graphs, keep what works. And for everyone else considering Roam for the first time -- save your money and try Obsidian first.
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