Notion vs Obsidian vs Notiero: the honest 2026 comparison.

Three different tools for three different jobs. We use all of them. Here's how to pick.

The three apps in one sentence each

Notion is a workspace platform. You build pages, databases, kanbans, calendars. You share them with a team. You give pages public URLs. It's a small CMS, a small Airtable, a small Google Docs, all in one. Account required.

Obsidian is a personal markdown brain. Local files, plugin ecosystem, graph view of your notes. It rewards setup. It's the choice for people who want a Zettelkasten with 3,000 atomic notes and a folder structure they control. 200 MB install. No account.

Notiero is a notes app in a browser tab. No install, no signup, real markdown, tags, backlinks. Auto-saves every keystroke. Works offline as a PWA. Optional sign-in if you want notes to sync across devices. Free.

What each one is built for

Notion: workspace platform

If three people need to look at the same project page and edit it live, Notion. If you need a public marketing page generated from your notes, Notion. If your "notes" are actually a CRM, a roadmap, a content calendar, and a hiring pipeline, Notion. The free tier is generous for personal use; teams start at $8/user/month.

Obsidian: personal wiki

If you take 20 atomic notes a day and link them obsessively, Obsidian. If you want a graph view to admire on Sunday mornings, Obsidian. If you want Dataview queries, Excalidraw embeds, Templater snippets, daily-note plugins — all of it — Obsidian. Personal use is free. Sync costs $4-8/month if you don't want to wire up Syncthing yourself.

Notiero: instant notes

If you just want a place to write a note before you forget it, Notiero. Open notiero.com. Type. The note saves. Tomorrow you open the URL again and your note is there. Tag it with #idea if you want. Link it to another note with [[. If you want it on your phone, sign in once. That's the whole product.

The honest comparison table

The decision tree

Three questions to pick:

1. Will multiple people edit the same workspace? If yes → Notion.
2. Are you building a personal knowledge base with 1,000+ notes and want a graph view + plugins? If yes → Obsidian.
3. Otherwise: → Notiero. Open a URL, write the note you came to write.

Most people who think they need Notion or Obsidian actually need Notiero. They want to write the note before they forget it. The workspace wizards and vault setups are friction they're paying for capabilities they don't use.

Three honest counterpoints

We're biased — we built Notiero. Here are three places we lose:

If you live in markdown daily and want plugins, Obsidian wins. Dataview, Excalidraw, Templater, daily-note automations — none of these exist in Notiero by design. We chose simplicity over extensibility. If you want extensibility, you want Obsidian.

If you need real-time multi-person editing, Notion wins. Notiero is a personal-notes tool. There are no shared workspaces, no permissions, no live cursors. If two engineers need to draft an RFC together, Notion (or HackMD) is the right pick.

If your "notes" are actually a database, Notion wins. Linked tables, relations, rollups, custom views — Notion is a small Airtable. Notiero stores notes; it doesn't model entities.

Where Notiero wins

Three places we genuinely beat both:

Time to first keystroke. Open notiero.com, start typing. Notion makes you sign up first. Obsidian makes you install + pick a vault folder first. Notiero takes under a second.

Free cloud sync. Obsidian Sync costs $4-8/month. Notion's team sync requires team plans. Notiero syncs across devices for free once you sign in — and you can use it for weeks without signing in at all.

No install on any device. Phone, tablet, work laptop, friend's computer — just visit the URL. Notion requires app downloads for the best experience. Obsidian requires the desktop app + a separate iOS/Android app + sync setup.

Common questions

Which is best for a beginner?

Notiero. Open notiero.com, type a note, done. No vault to set up (Obsidian), no workspace wizard to complete (Notion), no plugins to learn. If you outgrow it later, your notes are plain markdown — paste them into Notion or Obsidian and switch.

Which is best for a team?

Notion. Real-time co-editing, role-based permissions, shared databases, public publishing. Obsidian and Notiero are personal-notes tools — they're not built for teams. If three or more people need to edit the same workspace, pick Notion.

Which has the best markdown support?

Obsidian and Notiero use real markdown — your notes are .md text. Notion is block-based and exports to markdown but isn't markdown-native (some features don't survive the round-trip). If you want portable markdown, pick Obsidian or Notiero.

Which is cheapest?

Notiero — free, including cloud sync (optional sign-in). Obsidian is free for personal use but Obsidian Sync costs $4-8/month. Notion has a free tier but limits team members and storage on paid plans ($8-15/user/month for teams).

Can I switch between these without losing my notes?

Yes, in most directions. Obsidian → Notiero: paste .md files directly (same flavor, including [[backlinks]] and #tags). Notion → markdown apps: export from Notion as markdown, then paste. Notiero → Obsidian: copy out, paste into a vault. Notion's export keeps most content but loses some block-specific features like databases.