OneNote vs Obsidian vs Notion: Which Windows Note-Taking App Wins in 2026?

Introduction: Three Apps, Three Philosophies for Windows

If you are a Windows user looking for a note-taking app in 2026, you are likely weighing three names: OneNote, Obsidian, and Notion. Each has millions of users, each runs natively on Windows, and each is free to start. But they are not interchangeable. The three apps were built for fundamentally different workflows, and choosing the wrong one means fighting your tool for years.

OneNote is a digital canvas designed for free-form input — text, handwriting, drawings, and audio all coexist on an infinite page. It is the only one of the three with native, best-in-class stylus support, making it the default choice for Surface and tablet users. Obsidian is a local-first knowledge base that stores everything as plain Markdown files on your hard drive. It gives you complete data ownership, a massive plugin ecosystem, and a graph view that turns your notes into a web of ideas. Notion is a modular, block-based workspace that combines notes, databases, tasks, and wikis into a single collaborative platform. It is the most powerful option for teams, but it comes with a subscription cost and cloud dependency.

This comparison is Windows-exclusive. We are looking at how each app performs on Windows 11, how they handle stylus input, what they cost over three years, and how locked in you become once you commit. If you need a broader view that includes Apple Notes, GoodNotes, and other platforms, see our cross-platform comparison of the best digital note-taking apps in 2026.

At-a-Glance Comparison Table

The table below summarizes the key specs for each app. Pricing was last verified in May 2026 from official sources and corroborated by PCMag, Atlas, and Zapier.

Deep Dive: OneNote on Windows — The Digital Canvas for Stylus Users

OneNote on Windows is a mature, polished application that has been part of the Microsoft Office family for nearly two decades. Its defining feature is the free-form canvas: every page is a blank space where you can click anywhere and start typing, drawing, or inserting media. There are no rigid blocks or columns. This makes it the closest digital equivalent to a physical notebook.

Stylus Support: The Clear Winner

If you own a Surface Pro, Surface Laptop Studio, or any Windows tablet with an active pen, OneNote is the only app in this comparison that treats stylus input as a first-class feature. According to Atlas (May 2026), OneNote's stylus support includes best-in-class palm rejection, ink-to-text conversion in English, Japanese, and dozens of other languages, geometry recognition that straightens hand-drawn rectangles, circles, and arrows, and lasso selection for moving ink around the canvas. These features are not available in Obsidian or Notion — neither app has native ink support.

Pricing and Storage

OneNote is free for all core features, with 5 GB of OneDrive storage included at no cost, as confirmed by PCMag (May 2026) and Zapier (Dec 2025). Paid storage starts at $1.99 per month for 100 GB. If you already subscribe to Microsoft 365 Personal ($9.99 per month), you get 1 TB of OneDrive storage and access to the desktop version of OneNote with no artificial limits. Copilot AI is available in OneNote, but only through a Microsoft 365 Copilot subscription ($30 per user per month for business, $20 per month for Copilot Pro).

Deep Dive: Obsidian on Windows — The Local-First Knowledge Base

Obsidian takes the opposite approach from OneNote. Instead of a canvas, it gives you a folder of plain Markdown files on your local drive. Every note is a .md file that you can open in any text editor. The app itself is a powerful front-end that adds backlinks, a graph view, and a plugin system with over 1,800 community plugins, per Atlas (May 2026).

Data Ownership and Future-Proofing

Obsidian's local-first architecture is its strongest selling point. Your notes are stored as plain Markdown files on your Windows machine. You can sync them with Obsidian Sync ($4 per month), Dropbox, OneDrive, iCloud, or a private Git repository. If Obsidian the company disappears tomorrow, your notes remain readable in any Markdown editor. This is zero lock-in — a guarantee that neither OneNote nor Notion can offer.

Plugin Ecosystem and Graph View

Obsidian's plugin ecosystem is the largest of the three apps. With over 1,800 community plugins, you can add Kanban boards, daily notes, spaced repetition, mind maps, and even AI-powered features like Smart Connections. The graph view visualizes connections between notes, making it a powerful tool for knowledge workers who practice Zettelkasten or personal knowledge management (PKM). PCMag (May 2026) rates Obsidian 4.0 out of 5, noting its extensive plugin and theme ecosystem.

Windows-Specific Considerations

Obsidian runs as a native Electron app on Windows 11. Performance is excellent for vaults under 10,000 notes, though very large vaults with many plugins can slow down. The app supports full offline access — since your files are local, you never need an internet connection to read or write notes. This is a significant advantage over Notion, which requires a connection for full functionality.

Deep Dive: Notion on Windows — The All-in-One Workspace

Notion is not just a note-taking app — it is a modular workspace that combines notes, databases, tasks, wikis, and project management into a single platform. On Windows, it runs as a desktop app (built on Electron) that mirrors the web experience. Its block-based editor lets you build pages from components: text, headings, images, databases, embeds, and more.

Structured Databases and Collaboration

Notion's killer feature is its database system. You can create tables, boards, calendars, galleries, and lists that all draw from the same underlying data. This makes it ideal for project tracking, CRM, content calendars, and team wikis. Collaboration is real-time — multiple users can edit the same page simultaneously, with granular permissions per workspace. PCMag (May 2026) rates Notion 4.0 out of 5, calling it a flexible workspace for teams.

Pricing Tiers

Notion's free plan is generous for solo users: unlimited pages, blocks, and file uploads, with 7-day page history. The Plus plan costs $10 per member per month billed yearly (or $12 month-to-month, per Zapier Dec 2025). The Business plan, which includes Notion AI, costs $24 per member per month billed yearly. For a team of five, that is $50 per month on Plus or $120 per month with AI — significantly more expensive than OneNote bundled with Microsoft 365.

If you decide to try Notion, our 30-minute beginner's guide to setting up Notion for note-taking walks through the first steps.

Windows-Specific Limitations

Notion's Windows desktop app is functional but not as polished as the web version. It lacks offline-first architecture — you can view cached pages offline, but creating or editing notes requires a connection. The app also has no native stylus support, making it unsuitable for handwritten notes or diagramming. For keyboard-first users who work primarily with text and databases, these limitations are minor. For tablet users, they are dealbreakers.

Side-by-Side: Stylus Support, Search, Plugins, AI, and Portability

Beyond the core philosophy, five dimensions matter most for Windows users: stylus support, search, plugins, AI, and data portability. Here is how the three apps stack up.

OneNote's search is uniquely powerful because it includes OCR for images and handwriting. If you have a scanned PDF or a handwritten note, OneNote can find text within it. Obsidian's search is fast and reliable for Markdown files, but it cannot read images or handwriting. Notion's search works well for database content but struggles with large unstructured pages.

On plugins, Obsidian's 1,800+ community plugins give it an unmatched ability to extend functionality. OneNote's add-in ecosystem is limited to COM-based integrations, which are fewer and harder to develop. Notion relies on API-based integrations (Zapier, Make, custom APIs) rather than a plugin store, which is more powerful for automation but less accessible for casual users.

Three-Year Cost Scenarios: Solo Users vs. Teams

Pricing is a major factor for long-term adoption. The table below shows three-year costs for two common scenarios: a solo user and a team of five. All figures are based on pricing verified in May 2026 from Atlas, PCMag, and Zapier.

Migration Paths: Moving Between OneNote, Obsidian, and Notion

The difficulty of migrating between these apps varies significantly. OneNote's proprietary .one format is the hardest to leave. Microsoft offers export to PDF, Word, and .mht, but these formats lose the free-form layout, ink strokes, and embedded files. There are third-party tools (like OneNote Gem or OneMore) that can help, but the process is never clean.

Obsidian's plain Markdown vaults are the most portable. You can move them to any Markdown-compatible app (Logseq, Typora, Zettlr) with zero data loss. You can also use Git to version-control your entire vault. This is the gold standard for data portability.

Notion's export is functional but imperfect. You can export entire workspaces to Markdown, HTML, or CSV, but databases lose their relational structure, and page formatting often requires manual cleanup. Notion's API allows for more granular exports, but it requires technical setup.

If you are migrating from Evernote — which recently tripled its pricing — our guide to moving away from Evernote covers the specific steps for OneNote, Obsidian, and Notion as destinations.

Decision Tree: Which App Should You Choose?

If you are still uncertain, the decision tree above captures the core trade-offs. Here is the logic in text form:

• Do you use a stylus on Windows? If yes, choose OneNote. It is the only app with native palm rejection, ink-to-text, and geometry recognition. Obsidian and Notion cannot match this.
• Are you a solo user who values data ownership and future-proofing? Choose Obsidian. Plain Markdown files give you zero lock-in, and the plugin ecosystem is unmatched.
• Are you a solo user who prefers a structured, database-driven workspace and does not mind cloud dependency? Choose Notion. Its free plan is generous, and the combination of notes, tasks, and databases is powerful.
• Are you part of a team that needs real-time collaboration and project management? Choose Notion. OneNote's collaboration is weaker, and Obsidian is not designed for teams.
• Are you a team that already uses Microsoft 365? OneNote is included at no extra cost and may be sufficient for basic note-sharing.

If you still feel uncertain about which workflow paradigm suits you, our retrieval-style decision framework dives deeper into how you think about and retrieve information — a more nuanced approach than a simple feature list.

Verdict by User Profile

No single app is best for everyone. Here is the verdict for the most common Windows user profiles:

• Surface / tablet users and anyone who writes by hand: OneNote. Its stylus support is best-in-class, and the free-form canvas is unmatched for handwritten notes, diagrams, and annotations.
• Microsoft 365 subscribers who need basic note-taking: OneNote. It is already included in your subscription, and the 1 TB OneDrive storage is more than enough for years of notes.
• Privacy-conscious knowledge workers and PKM enthusiasts: Obsidian. Local-first Markdown files, complete data ownership, and a plugin ecosystem that can turn your vault into a second brain.
• Students on a budget who type their notes: Notion (free plan) or Obsidian (free). Both are free for solo use. Notion is better for structured class notes and project tracking; Obsidian is better for building a knowledge base over time.
• Teams and project-oriented users: Notion. Its database system, real-time collaboration, and integrated task management make it the only viable choice among the three for team workflows.
• Developers and technical users: Obsidian. Plain Markdown files, Git integration, and a plugin system that supports code blocks, Mermaid diagrams, and custom scripts.

The three apps are not competing for the same user. OneNote owns the stylus and canvas space. Obsidian owns local-first knowledge management. Notion owns structured collaboration. Choose the philosophy that matches your workflow, and you will not need to switch.