Is Microsoft OneNote free to use?

Yes. Microsoft OneNote is completely free and included with a Microsoft account. It also integrates with Microsoft 365, but the core note-taking features are available at no cost.

Is Obsidian free to use?

Yes. Obsidian is free for personal use. Paid add-ons like Obsidian Sync and Obsidian Publish are optional if you need cloud syncing or public publishing.

Which is better for students?

Microsoft OneNote is generally better for students because of its structured notebooks, handwriting support, drawing tools, and seamless syncing across devices.

Which is better for knowledge management and long-term thinking?

Obsidian is better for long-term knowledge management thanks to its backlinking system, graph view, and markdown-based local file storage.

Microsoft OneNote

Best Overall

Obsidian

Microsoft OneNote vs Obsidian

Microsoft OneNote and Obsidian are note taking tools built for different types of users. OneNote is a digital notebook application integrated with Microsoft 365 and optimized for handwriting and collaboration. Obsidian is a markdown based knowledge management tool designed for linked thinking and local file storage. This comparison examines usability, structure, customization, and data control.

At-a-Glance Scorecard

Ease of Use

Microsoft OneNote

Handwriting Support:

Microsoft OneNote

Customization

Obsidian

Data Ownership

Obsidian

Knowledge Linking

Obsidian

Collaboration

Microsoft OneNote

Pricing Value

Tie

Capability Breakdown

OneNote offers structured notebooks and handwriting support within a cloud synced ecosystem.

Obsidian offers markdown editing, bidirectional linking, and extensive customization with local file control.

The decision depends on whether you prefer ecosystem integration or advanced knowledge linking.

Feature-by-Feature Battle

Feature	Microsoft OneNote	Obsidian
Notebook Structure	Yes	No traditional notebooksWinner
Handwriting Support	Yes	No nativeWinner
Markdown Editing	LimitedWinner	Yes
Bidirectional Linking	No	YesWinner
Obsidian strength	No	YesWinner
Local Storage	Cloud synced	Local by defaultWinner
Plugins	Limited	ExtensiveWinner
Collaboration	Yes	LimitedWinner

Microsoft OneNote

Strengths & Tradeoffs

Free version available
Good for handwritten notes
Works well within Microsoft ecosystem

Obsidian

Strengths & Tradeoffs

Data stored locally
Highly customizable
Strong linking system

Final Recommendation

Choose Microsoft OneNote if:

• You take handwritten notes

• You use Microsoft 365 daily

• You want structured notebooks

• You collaborate frequently

Choose Obsidian if:

• You want markdown based notes

• You value local file control

• You build interconnected knowledge graphs

• You customize via plugins