Spreadsheets · head to head
Mathesar vs Supabase

Mathesar
Spreadsheets
Spreadsheet style interface that edits an existing PostgreSQL database directly, with no schema of its own
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Mathesar there is no hosted offering of any kind, so a team without someone who can run and secure a server cannot use it at all.; Supabase free tier projects auto-pause after 1 week of inactivity
- They diverge on capability: Mathesar covers Direct PostgreSQL editing, Supabase covers PostgreSQL database.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Mathesar and Supabase actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
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 Mathesar
- Direct PostgreSQL editing
- PostgreSQL permissions
- Schema editing
- Data exploration
- Relationship navigation
- Import of tabular files
- Self hosted only
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.
Mathesar
- A nonprofit or research group whose data is already in PostgreSQL and whose staff cannot write SQLnot Supabase
- Giving analysts a safe editing interface governed by database roles that already existnot Supabase
- Replacing a hand built Django or Rails admin screen that nobody wants to maintainnot Supabase
- Editing production reference data where an export, edit and reimport cycle would risk losing concurrent changesnot Supabase
Supabase
- Web application backends using Postgres plus auto-generated REST/GraphQL APIsnot Mathesar
- Mobile app backends via Flutter/Swift/Kotlin client librariesnot Mathesar
- AI applications using vector/embeddings storagenot Mathesar
- Authentication with 20+ social providers plus email/passwordnot Mathesar
- File and media storage (S3-compatible with CDN) and realtime sync over WebSocketsnot Mathesar
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Mathesar
- There is no hosted offering of any kind, so a team without someone who can run and secure a server cannot use it at all.
- It works only with PostgreSQL, so a MySQL, SQL Server or SQLite estate is excluded outright.
- There are no automations, no webhooks and effectively no integration catalogue, so it edits data and does nothing else.
- Because it writes to the live database, a careless bulk edit or column type change is a production change with no staging step and no undo.
- Development is grant and community funded rather than commercially funded, so roadmap pace and long term continuity carry a different risk profile from a venture backed vendor.
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
Mathesar
Free- Self hosted open sourceFree
- No licence fee
- No hosted option offered
- Connects to your existing PostgreSQL database
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 Mathesar if
- You need direct postgresql editing.
- You want to start without paying.
- You work on Web, Linux.
- You also want postgresql permissions.
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.
Questions people ask
- Is Mathesar or Supabase better?
- Neither clearly leads. Mathesar 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, Mathesar or Supabase?
- Mathesar starts at Free and Supabase at Free.
- Does Mathesar or Supabase run on more platforms?
- Mathesar runs on Web, Linux. Supabase runs on Web, iOS, Android.
- Can I use Mathesar for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Mathesar best used for?
- Mathesar is most often used for a nonprofit or research group whose data is already in postgresql and whose staff cannot write sql, giving analysts a safe editing interface governed by database roles that already exist, replacing a hand built django or rails admin screen that nobody wants to maintain, editing production reference data where an export, edit and reimport cycle would risk losing concurrent changes. Of those, a nonprofit or research group whose data is already in postgresql and whose staff cannot write sql and giving analysts a safe editing interface governed by database roles that already exist are not what Supabase is typically brought in for.
- What can Mathesar do that Supabase cannot?
- Mathesar covers Direct PostgreSQL editing, PostgreSQL permissions, Schema editing, Data exploration. Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions.
Answered from the vendors’ own pages
Mathesar: Is there a cloud version?
No. Self hosting is the only option, and that is a deliberate project decision rather than a gap waiting to be filled.
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.
SourceMathesar: How does it handle permissions?
Through PostgreSQL roles and privileges directly, so there is no second permission model to keep in step.
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.
SourceMathesar: What is the row limit?
Whatever PostgreSQL can handle. Mathesar adds no storage layer of its own.
Mathesar: Does it support databases other than PostgreSQL?
No.
Mathesar: Can it replace Airtable?
Only for editing and exploring data. There are no automations, apps or integrations.
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- Supabase vs MongoDB
- Supabase vs Notion
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- Supabase vs GitHub
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