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Supabase vs Amplitude

Supabase logo

Supabase

Software

The open source Firebase alternative

From
Free
Rated
-
Full reviewWebsite
Amplitude logo

Amplitude

Software

The digital analytics platform to understand your users

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Supabase free tier projects auto-pause after 1 week of inactivity; Amplitude metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow
  • They diverge on capability: Supabase covers PostgreSQL database, Amplitude covers Event tracking.

Where they differ

Only the attributes on which Supabase and Amplitude actually diverge.

Attributes where Supabase and Amplitude differ
AttributeSupabaseAmplitude
PlatformsWeb, iOS, AndroidWeb, Ios, Android, Api
Founded20202012

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

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 Amplitude

  • Event tracking
  • User segmentation
  • Funnel analysis
  • Retention analysis
  • Cohort analysis
  • A/B testing
  • Revenue analytics
  • Predictive analytics

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

Amplitude

  • User behavior analysisnot Supabase
  • Feature adoption trackingnot Supabase
  • Conversion rate optimizationnot Supabase
  • Customer journey mappingnot Supabase
  • Retention improvementnot 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

Amplitude

  • Metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow
  • The free plan covers 2M events a month
  • The Plus plan scales to 70M events, above which pricing is custom
  • Growth and Enterprise pricing is not published

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

Amplitude

Free
  • StarterFree
    • 2 million events per month
  • Plus$49/month
    • $0.049 per MTU
    • Up to 300k MTUs
    • Advanced analytics
  • GrowthFree
    • Causal insights
    • Feature experimentation
    • Real-time streaming
  • EnterpriseFree
    • Cross-product analysis
    • Advanced permissions
    • Dedicated account manager

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 Amplitude if

  • You need event tracking.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want user segmentation.
Amplitude review

Questions people ask

Is Supabase or Amplitude better?
Neither clearly leads. Supabase starts at Free and Amplitude at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Supabase or Amplitude?
Supabase starts at Free and Amplitude at Free.
Does Supabase or Amplitude run on more platforms?
Supabase runs on Web, iOS, Android. Amplitude runs on Web, Ios, Android, Api.
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 Amplitude is typically brought in for.
What can Supabase do that Amplitude cannot?
Supabase covers PostgreSQL database, Auto-generated APIs, Authentication & authorization, Real-time subscriptions. Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis.

Answered from the vendors’ own pages

Amplitude: Does Amplitude have a free plan?

Yes, Amplitude offers a free Starter plan with 2 million events per month and access to the entire platform including analytics, session replay, and experimentation features.

Source
Amplitude: What is Amplitude's pricing based on?

Amplitude's pricing is based on the number of monthly tracked users (MTUs), data volume, and advanced features selected. The Plus plan starts at $49 per month with a rate of $0.049 per MTU.

Source
Amplitude: What analytics features does every Amplitude plan include?

Every plan includes access to the full platform: analytics, session replay, feature experimentation, web experimentation, guides and surveys, activation, and AI tools like AI Feedback and AI Assistant.

Source
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