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Technology · head to head

Notion vs Supabase

Notion logo

Notion

Technology

All-in-one workspace for notes, tasks, wikis, and databases

From
Free
Rated
-
Full reviewWebsite
Supabase logo

Supabase

Technology

The open source Firebase alternative

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Notion free plan limited to 1,000 blocks for 2+ member workspaces, restricting team usage; Supabase free tier projects auto-pause after 1 week of inactivity
  • They diverge on capability: Notion covers Rich text editing with blocks, Supabase covers PostgreSQL database.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Notion and Supabase actually diverge.

Attributes where Notion and Supabase differ
AttributeNotionSupabase
Founded20162020

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), platforms (Web, iOS, Android), user rating (Not yet rated), category (Technology).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Notion

  • Rich text editing with blocks
  • Customizable databases
  • Kanban boards and calendars
  • Real-time collaboration
  • Template library
  • File attachments
  • Web clipper
  • API access

Only in Supabase

  • PostgreSQL database
  • Auto-generated APIs
  • Authentication & authorization
  • Real-time subscriptions
  • Storage
  • Edge functions
  • Vector embeddings
  • Database migrations

What people use each for

The jobs each tool is most often brought in to do.

Notion

  • Project managementnot Supabase
  • Knowledge base creationnot Supabase
  • Note-taking and documentationnot Supabase
  • Team collaborationnot Supabase
  • Content planningnot Supabase

Supabase

  • Web application backends using Postgres plus auto-generated REST/GraphQL APIsnot Notion
  • Mobile app backends via Flutter/Swift/Kotlin client librariesnot Notion
  • AI applications using vector/embeddings storagenot Notion
  • Authentication with 20+ social providers plus email/passwordnot Notion
  • File and media storage (S3-compatible with CDN) and realtime sync over WebSocketsnot Notion

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Notion

  • Free plan limited to 1,000 blocks for 2+ member workspaces, restricting team usage
  • Free tier only includes trial AI capabilities; full Notion AI requires paid plan
  • Page history limited to 7 days on free plan
  • Per-member pricing increases costs for teams compared to flat-rate competitors
  • Limited automation capabilities compared to dedicated workflow platforms

Supabase

  • Free tier projects auto-pause after 1 week of inactivity
  • Free tier hard caps: 500 MB database, 1 GB file storage, 5 GB egress/month, 50,000 monthly active users, max 2 active free projects per organization
  • Pro plan charges usage overages beyond included quotas, e.g. $0.00325 per MAU above 100,000 and $0.125/GB disk above 8 GB
  • SOC2/ISO 27001 certification and HIPAA (add-on) compliance require the $599/month Team plan; not available on the $25/month Pro plan

Pricing, plan by plan

Notion

Free
  • FreeFree
    • 1000 block limit (2+ members)
    • 7-day page history
    • 5MB file upload cap
  • Plus$10/month
    • Unlimited blocks
    • 30-day page history
    • Unlimited file uploads
  • Business$20/month
    • All Plus features
    • Notion Agent
    • AI Meeting Notes
  • Enterprise$undefined/custom
    • All Business features
    • Advanced controls
    • Audit logs

Supabase

Free
  • FreeFree
    • 50,000 MAU
    • 500MB database
    • 5GB egress
  • Pro$25/month
    • 100,000 MAU
    • 8GB disk
    • 250GB egress
  • Team$599/month
    • SOC2 and ISO 27001
    • HIPAA add-on
    • 28-day log / 14-day backup retention
  • Enterprise$undefined/month
    • Custom limits
    • Dedicated support manager
    • 24/7/365 support

Which should you pick?

Choose Notion if

  • You need rich text editing with blocks.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want customizable databases.
Notion review

Choose Supabase if

  • You need postgresql database.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want auto-generated apis.
Supabase review

Questions people ask

Is Notion or Supabase better?
Neither clearly leads. Notion starts at Free and Supabase at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Notion or Supabase?
Notion starts at Free and Supabase at Free.
Does Notion or Supabase run on more platforms?
Both run on Web, iOS, Android, so platform support will not decide this one for you.
Can I use Notion for free?
Both have a free tier, so you can try either at no cost before committing.
What is Notion best used for?
Notion is most often used for project management, knowledge base creation, note-taking and documentation, team collaboration. Of those, project management and knowledge base creation are not what Supabase is typically brought in for.
What can Notion do that Supabase cannot?
Notion covers Rich text editing with blocks, Customizable databases, Kanban boards and calendars, Real-time collaboration. Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions.

Answered from the vendors’ own pages

Notion: What features are included in the free Notion plan?

The free plan ($0/member/month) includes trial AI capabilities, basic forms and sites, Notion Calendar access, unlimited databases, up to 10 external guests, and 7-day page history.

Source
Supabase: How much does Supabase cost?

Supabase offers a free tier and three paid plans. Pro starts at $25 per month, Team at $599 per month, and Enterprise requires a custom quote. All pricing is in USD charged monthly.

Source
Notion: What is the difference between Plus and Business plans?

Plus ($10/member/month) adds custom forms, unlimited file uploads, and 30-day history. Business ($20/member/month) adds Notion Agent for autonomous tasks, AI Meeting Notes, and advanced security features.

Source
Supabase: What are Supabase's usage overage fees?

Pro plan users pay $0.00325 per monthly active user over the 100,000 included, and $0.125 per GB for database storage exceeding 8 GB per project. Compute instances cost $10 to $3,730+ per month.

Source
Notion: How does Notion calculate billing when team members join mid-month?

New members added mid-month incur prorated charges for the current billing period and are included in future billings.

Source
Notion: What is the refund policy for Notion subscriptions?

New users receive a full refund within 3 days for monthly plans or 30 days for annual plans. EU/UK customers get a 14-day refund window per regional policy.

Source
Notion: What happens if a payment fails on my Notion account?

Failed payments are retried up to 8 times before the account automatically downgrades to the free plan.

Source
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