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Technology · head to head

Segment vs Supabase

Segment logo

Segment

Technology

Customer data platform that unifies your data

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: Segment pricing is not transparent; requires sales contact for quotes; Supabase free tier projects auto-pause after 1 week of inactivity
  • They diverge on capability: Segment covers Data collection, Supabase covers PostgreSQL database.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Segment and Supabase actually diverge.

Attributes where Segment and Supabase differ
AttributeSegmentSupabase
PlatformsWeb, APIWeb, iOS, Android
Founded20112020

Identical on both: starting price (Free), pricing model (Unknown), 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 Segment

  • Data collection
  • Data routing
  • Data warehouse
  • Identity resolution
  • Protocols
  • Privacy portal
  • Functions
  • Replay

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.

Segment

  • Customer data unificationnot Supabase
  • Marketing attributionnot Supabase
  • Product analyticsnot Supabase
  • Data governancenot Supabase
  • Personalizationnot Supabase

Supabase

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

Where each one falls short

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

Segment

  • Pricing is not transparent; requires sales contact for quotes
  • No lower-tier option for small businesses without contacting sales
  • Custom pricing can be expensive for mid-market companies
  • Now owned by Twilio, which affects long-term independence and focus

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

Segment

Free

No published plan breakdown. See the Segment review.

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 Segment if

  • You need data collection.
  • You want to start without paying.
  • You work on Web, API.
  • You also want data routing.
Segment 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 Segment or Supabase better?
Neither clearly leads. Segment 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, Segment or Supabase?
Segment starts at Free and Supabase at Free.
Does Segment or Supabase run on more platforms?
Segment runs on Web, API. Supabase runs on Web, iOS, Android.
Can I use Segment for free?
Both have a free tier, so you can try either at no cost before committing.
What is Segment best used for?
Segment is most often used for customer data unification, marketing attribution, product analytics, data governance. Of those, customer data unification and marketing attribution are not what Supabase is typically brought in for.
What can Segment do that Supabase cannot?
Segment covers Data collection, Data routing, Data warehouse, Identity resolution. Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions.

Answered from the vendors’ own pages

Segment: Does Segment have a free plan?

Segment uses a freemium model with 10K users included free. Additional users require paid plans based on monthly active users (MTUs), calculated as monthly active users plus anonymous visitors per month.

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
Segment: What is Segment's pricing based on?

Segment pricing is based on monthly active users (MTU), which equals your monthly active users plus anonymous visitors. Pricing is customized; contact sales for specific quotes.

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
Segment: What is the difference between Customer Data Pipeline and Customer Data Platform?

Pipeline (Business) focuses on data collection and delivery to 700+ destinations. CDP includes Pipeline plus Unify for unified profiles and Engage for audience orchestration with AI capabilities.

Source
Segment: How many integrations does Segment have?

Segment connects to over 700 destinations, allowing data to be sent to analytics platforms, data warehouses, CRMs, and other business tools.

Source
Segment: Does Segment have SSO and HIPAA compliance?

Yes. Both Pipeline and CDP tiers offer multi-factor authentication, single sign-on (SSO), and HIPAA eligibility for healthcare organizations.

Source
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