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Technology · head to head

Supabase vs Whimsical

Supabase logo

Supabase

Technology

The open source Firebase alternative

From
Free
Rated
-
Full reviewWebsite
Whimsical logo

Whimsical

Technology

Where great ideas take shape

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Supabase free tier projects auto-pause after 1 week of inactivity; Whimsical the free plan is capped at 3 team boards, 3 teams and 10 guest seats
  • They diverge on capability: Supabase covers PostgreSQL database, Whimsical covers Flowcharts.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Supabase and Whimsical actually diverge.

Attributes where Supabase and Whimsical differ
AttributeSupabaseWhimsical
Pricing modelUnknownsubscription
PlatformsWeb, iOS, AndroidWeb
Founded20202017

Identical on both: starting price (Free), free tier (Yes), 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 Supabase

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

Only in Whimsical

  • Flowcharts
  • Wireframes
  • Mind maps
  • Sticky notes
  • Docs
  • Real-time collaboration
  • Templates
  • Keyboard shortcuts

Both cover

  • SSL

What people use each for

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

Supabase

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

Whimsical

  • Product planningnot Supabase
  • UI/UX designnot Supabase
  • Brainstormingnot Supabase
  • Process documentationnot Supabase
  • Project visualizationnot Supabase

Where each one falls short

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

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

Whimsical

  • The free plan is capped at 3 team boards, 3 teams and 10 guest seats
  • File uploads are limited to 5MB per file and 1GB in total on the free plan
  • Version history on the free plan goes back 7 days
  • Voting, the timer, private teams, the GitHub integration, password-protected files and watermark removal all need Pro at $10 per editor per month
  • SSO and SAML are Business tier only at $20 per editor per month

Pricing, plan by plan

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

Whimsical

Free
  • StarterFree
    • Up to 4 boards
    • Unlimited viewers
    • 7-day version history
  • Pro$10/month
    • Unlimited boards
    • Unlimited version history
    • Advanced permissions
  • Org$20/month
    • Everything in Pro
    • SSO
    • User management

Which should you pick?

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

Choose Whimsical if

  • You need flowcharts.
  • You want to start without paying.
  • You also want wireframes.
Whimsical review

Questions people ask

Is Supabase or Whimsical better?
Neither clearly leads. Supabase starts at Free and Whimsical at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Supabase or Whimsical?
Supabase starts at Free and Whimsical at Free.
Does Supabase or Whimsical run on more platforms?
Supabase runs on Web, iOS, Android. Whimsical runs on Web.
Can I use Supabase for free?
Both have a free tier, so you can try either at no cost before committing.
What is Supabase best used for?
Supabase is most often used for web application backends using postgres plus auto-generated rest/graphql apis, mobile app backends via flutter/swift/kotlin client libraries, ai applications using vector/embeddings storage, authentication with 20+ social providers plus email/password. Of those, web application backends using postgres plus auto-generated rest/graphql apis and mobile app backends via flutter/swift/kotlin client libraries are not what Whimsical is typically brought in for.
What can Supabase do that Whimsical cannot?
Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions. Whimsical covers Flowcharts, Wireframes, Mind maps, Sticky notes. Both handle SSL.

Answered from the vendors’ own pages

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
Whimsical: What are Whimsical's pricing tiers?

Whimsical offers three plans: Free at 0 dollars per month per editor, Pro at 10 dollars per month per editor, and Business at 20 dollars per month per editor.

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
Whimsical: What is included in the Free plan?

The Free plan allows creation of up to 50 board objects and 50 doc blocks per month, includes watermarked exports, and provides 7-day version history. Storage is limited to 1GB.

Source
Whimsical: What features unlock in the Pro plan?

The Pro plan removes the object creation limits, provides unlimited board objects and doc blocks, removes watermarks from exports, extends version history to 90 days, and offers 100GB of storage.

Source
Whimsical: What security and team features come with Business?

The Business plan adds private teams, SAML single sign-on, SCIM and advanced security controls, unlimited version history, priority support, and a dedicated success manager. Storage starts at 2TB.

Source
Whimsical: Do discounts apply for annual billing?

Yes, annual billing offers a 17 percent discount compared to monthly rates. Additionally, nonprofits receive a 20 percent discount and students and teachers get full access.

Source
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