Estimated monthly cost comparison — not just the headline price
Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →
Quick Take
Obsidian has the lower estimated monthly cost (~73%)
Based on advertised price plus documented recurring fees, not your exact usage.
Best for Notion
All-in-one workspace for notes, docs, databases, and wikis. Affordable for small teams, but AI credi
Best for Obsidian
Free local-first note-taking app with powerful linking. Personal use is free, but Sync ($4/mo) and P
All-in-one workspace for notes, docs, databases, and wikis. Affordable for small...
Advertised
$10
/month
Estimated monthly cost
$60
/month (illustrative)
Notion AI Credits (Custom Agents)
AI features are NOT included in any plan. $10 per 1,000 credits, consumed per AI action. Teams using...
Custom Automation Feature Gate
Plus ($10/member/mo) only includes button-only automations. Custom database automations (triggered, ...
API Access Paywall
API and webhooks require Plus at minimum ($10/member/mo). Free plan has no API access for integratio...
$10/mo annual
$20/mo annual
Free local-first note-taking app with powerful linking. Personal use is free, bu...
Advertised
$0
/month
Estimated monthly cost
$16
/month (illustrative)
Obsidian Sync
Cross-device sync: $4/mo (annual) or $5/mo. Without it, you need your own sync solution (Dropbox, iC...
Obsidian Publish
Host notes as a website: $8/mo (annual) or $10/mo per site. Each additional site is another subscrip...
Commercial License
Using Obsidian for work with 2+ employees requires a Commercial license at $50/user/year ($4.17/user...
Notion advertises $10/mo. Obsidian advertises $0/mo.
Notion has 3 documented hidden fees. Obsidian has 3.
Notion confidence: 78%. Obsidian confidence: 82%.
| Metric | Notion | Obsidian | Winner |
|---|---|---|---|
| Advertised Price | $10/mo | $0/mo | Obsidian |
| Estimated Monthly Cost | $60/mo | $16/mo | Obsidian |
| Recurring Extra Fees | +$50/mo | +$16/mo | Obsidian |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 3 | — |
| Pricing Tiers | 4 | 0 | — |
| Affiliate Program | No public program | None | — |
Notion advertises $10/mo and Obsidian advertises $0/mo. Notion has 3 documented extra fees (recurring: +$50/mo), while Obsidian has 3 (recurring: +$16/mo). On these illustrative assumptions, Obsidian has the lower estimated monthly cost (about 73% less). Your real cost depends on seats and usage — use the calculator for your numbers.
Notion has 3 documented extra fees: Notion AI Credits (Custom Agents), Custom Automation Feature Gate, API Access Paywall. Recurring fees add roughly $50/mo on top of the $10/mo advertised price.
Obsidian has 3 documented extra fees: Obsidian Sync, Obsidian Publish, Commercial License. Recurring fees add roughly $16/mo on top of the $0/mo advertised price.
Choose Notion if: All-in-one workspace for notes, docs, databases, and wikis. Affordable for small teams, but AI credi. Choose Obsidian if: Free local-first note-taking app with powerful linking. Personal use is free, but Sync ($4/mo) and P. The right choice depends on your team size, usage volume, and which features you need most.
This comparison is compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.
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