Compare
NoteX vs OneNote:
from capture to a knowledge base
OneNote is free, ubiquitous, and genuinely good at free-form capture, especially with a pen inside a Microsoft 365 world. NoteX is built for the notes you keep: a structured block editor, open files you own on your disk, databases on web, curated extensions, native AI add-ons with an API and MCP, and Arabic-friendly per-block RTL.
The short version
A canvas for capture, or a system for knowledge.
OneNote deserves its huge audience. It is free, it is everywhere Microsoft is, and its free-form canvas is genuinely great for capture: click anywhere, type, drop in an image, write with a pen. If your notes are handwritten lecture pages or quick scribbles inside a Microsoft 365 world, OneNote is a fine home for them. NoteX makes a different bet: that notes you keep for years deserve structure, open files, and a direct line to your AI tools.
Where NoteX starts
Blocks instead of a canvas.
Files instead of containers.
OneNote pages are free-form surfaces stored in proprietary notebook containers that sync through Microsoft's cloud. NoteX pages are structured blocks (headings, to-dos, callouts, tables, code, LaTeX, diagrams) stored as individual open files on your disk: clean JSON .notex or plain Markdown. Structure is what makes notes searchable, linkable, exportable, and readable by AI.
- Notion-style block editor with slash commands and markdown shortcuts
- Every note a file you own, offline-first desktop on the VS Code engine
- Databases on web, extensions, native AI add-ons, REST API and MCP
Both products keep evolving, so treat the table below as a map as of writing, not a verdict.
Meeting Notes: Sprint 14
Decisions
- Ship Search v2 beta to the internal cohort first
- Query analytics dashboard moves to next sprint
Action items
Full context lives in Product Spec: Search v2, linked from the Team Wiki.
Structured blocks make notes searchable, linkable, and readable by both teammates and AI agents.
Side by side
NoteX vs OneNote, capability by capability.
The OneNote column reflects widely known public positioning as of writing. Details vary across OneNote's platforms and versions; confirm current specifics with Microsoft directly.
| Capability | NoteX | OneNote |
|---|---|---|
| Free to start | ✓ Yesfree desktop app; web workspace free to start | ✓ Yesfamously free with a Microsoft account |
| Free-form canvas + pen input | ✗ Nostructured blocks by design | ✓ Yesits signature strength, great with a stylus |
| Structured block editorTo-dos, callouts, tables, code, LaTeX | ✓ Yes25+ block types, slash menu, markdown shortcuts, Mermaid diagrams | Basic structureoutlines, tags, and tables; a different, canvas-first model |
| Notes as open files on your disk | ✓ Yesindividual .notex or .md files in real folders | ✗ Noproprietary notebook containers, cloud-synced |
| Office / Microsoft 365 integration | ✗ Noexports Markdown and HTML instead | ✓ Yesdeep: Outlook, Teams, and the Office family |
| Databases with views | ✓ Yeson NoteX web: tables, boards, calendars, timelines, relations, formulas | ✗ Nonot a database tool |
| Editor extensions | ✓ YesOpen VSX with a curated, security-first catalog | ✗ Nono comparable extension system |
| Native AI add-ons + API + MCP | ✓ YesClaude Code and Codex on desktop, AI sidebar on web, REST API, MCP server | Copilot in the Microsoft stackcapabilities and availability vary; confirm directly |
| Choose your own server | ✓ YesLisan Cloud, your own self-hosted server, or local only | ✗ NoMicrosoft cloud sync |
| Per-block RTL for Arabic | ✓ Yeseach block sets its own direction automatically | RTL support existsdirection handling differs across versions |
| Mobile apps | ✗ Noweb works in mobile browsers; native apps not offered today | ✓ Yesmature apps on every platform |
A fair reading
When OneNote is the right choice.
Plenty of people are well served by OneNote, and it costs nothing to be honest about who.
You write with a pen
Handwriting on a tablet, sketches in the margin, ink anywhere on the page: this is OneNote's home game. NoteX is a typed, structured editor and does not try to be an ink canvas.
Your org lives in Microsoft 365
If Outlook, Teams, and SharePoint are the water your company swims in, OneNote is already there, already approved, and already integrated. That convenience is real and we will not wave it away.
You just need quick capture
For fast, unstructured jotting synced across your devices at no cost, OneNote does the job with zero ceremony. Structure only pays off when notes are meant to be kept and reused.
The other side
When NoteX is the right choice.
If your notes are a knowledge base rather than a scratchpad, structure and ownership start to matter.
Ownership
Your notes should not live
inside a sync container.
OneNote notebooks are proprietary containers synced through Microsoft's cloud; getting clean, portable copies of everything out is not the format's strong suit. In NoteX, there is nothing to get out: every note already is an open file on your disk. Export any note as Markdown or self-contained HTML, bulk-export the lot, sync to a server you choose, or keep a Local workspace that never syncs at all.
Files you own →Notes are individual files in an open format, each with its own icon in Explorer. Grep them, git them, back them up.
AI and integrations
A knowledge base
your agents can actually read.
Because NoteX notes are structured text files, AI works with them directly: Claude Code and Codex run as native desktop add-ons, the web AI sidebar searches your workspace and proposes edits you approve, and the Notion-style REST API plus a 10-tool MCP server let any agent read and write your knowledge base with scoped keys. Structured notes also burn a fraction of the AI context that heavyweight formats do, in our internal benchmarks.
AI integration →Arabic, natively
Two directions,
one note, zero fiddling.
Teams in this region write Arabic and English in the same document all day. NoteX handles it per block: each paragraph, list item, or heading detects its own direction automatically, so mixed-language notes read naturally without manual switching. On web, databases and collaboration inherit the same behavior.
Inside the block editor →Weekly Update
Highlights
Search v2 beta opens to the first cohort on Monday.
تفتح النسخة التجريبية من البحث للمجموعة الأولى يوم الاثنين.
Arabic and English in one note: every block detects its own direction automatically, no manual switching.
Bottom line: choose OneNote for free-form, pen-friendly capture inside a Microsoft-first organization. Choose NoteX when your notes are meant to become a knowledge base: structured blocks, open files you own, databases on web, extensions, and AI that reads your notes natively. Also weighing Notion, Obsidian, or Word?
Frequently asked questions
OneNote is free. Is NoteX?
Yes, NoteX is free to start on both surfaces. The desktop app is free to download and works with local files without an account; the web workspace is free to start, and teams with advanced needs can talk to us. Price is not the axis this comparison turns on.
Can I import my OneNote notebooks into NoteX?
There is no direct OneNote importer today. The practical route is exporting or converting your OneNote content to Markdown or HTML, both of which NoteX imports; typed notes carry over well, while ink and free-floating canvas layouts do not translate to any structured editor cleanly.
Does NoteX support handwriting or pen input?
No. NoteX is a typed, structured block editor by design. If stylus notes are central to your workflow, OneNote or another ink-first tool is the honest recommendation, and you can keep NoteX for the knowledge you type and keep.
How is NoteX storage actually different from OneNote's?
OneNote stores pages inside proprietary notebook containers synced through Microsoft's cloud. NoteX stores every note as its own open file (JSON .notex or plain Markdown) in real folders on your disk, syncing only when and where you choose, including any self-hosted Supabase-compatible server. See files you own and workspaces and servers.
We are a Microsoft shop. Can NoteX still fit?
Yes, alongside rather than instead. NoteX exports Markdown and HTML that paste cleanly into Office tools, the desktop app runs on Windows today, and the REST API and MCP server let internal tooling and AI agents work with your notes. See API and MCP.
Your notes deserve a better engine.
A Notion-style block editor on the engine behind the world's most popular code editor. Notes stay files you own, extensions add what you need, and AI plugs in natively. Free to start, on web and desktop.
Free to start · Your files, your disk · Windows desktop & web