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Home/Compare/Customer.io vs Supabase

Customer.io vs Supabase

A side-by-side comparison of pricing, plans, and recent product updates. Pricing data syncs daily once the product launches.

Customer.io

Messaging automation for lifecycle and product email.

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Category
email
Plans tracked
—
Entry price
—
Free plan?
—
See full Customer.io pricing & changelog →

Supabase

The open-source Firebase alternative.

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Category
database
Plans tracked
4
Entry price
$25/mo
Free plan?
Yes
See full Supabase pricing & changelog →

Plan-by-plan pricing

Customer.io

Pricing data is being collected.

Supabase

FREE

Supabase

Free
  • Unlimited API requests
  • 50,000 monthly active users
  • 500 MB database size
  • 5 GB egress
  • 1 GB file storage
  • + 1 more

PRO

Supabase

$25/mo
  • 100,000 monthly active users (then $0.00325 per MAU)
  • 8 GB disk size per project (then $0.125 per GB)
  • 250 GB egress (then $0.09 per GB)
  • 100 GB file storage (then $0.021 per GB)
  • Email support
  • + 1 more

TEAM

Supabase

$599/mo
  • SOC2 & ISO 27001
  • Project-scoped and read-only access
  • HIPAA available as paid add-on
  • SSO for Supabase Dashboard
  • Priority email support & SLAs
  • + 1 more

ENTERPRISE

Supabase

Custom
  • Designated Support manager
  • Uptime SLAs
  • BYO Cloud supported
  • 24×7×365 premium enterprise support
  • Private Slack channel
  • + 1 more

Customer.io vs Supabase FAQ

Customer.io vs Supabase: which is cheaper?
Customer.io starts at an unpublished tier, while Supabase starts at $25/mo. TrackRival snapshots both daily as plan pages change.
Does Customer.io or Supabase have a free plan?
Supabase shows a free plan in the latest snapshot, while Customer.io does not.
Is Customer.io a good email alternative to Supabase?
Customer.io is tracked in email, while Supabase overlaps for similar buyers. Use the changelog section below to compare shipping cadence before you choose.
How often is this Customer.io vs Supabase comparison updated?
TrackRival refreshes pricing snapshots daily and appends new changelog entries whenever either product ships a release.

Recent product updates

What each team shipped most recently.

Customer.io

No recent updates tracked.

See all Customer.io updates →

Supabase

  • May 8, 2026
    Supabase Is Now an Official ChatGPT App

    Supabase now integrates directly with ChatGPT, allowing users to manage their database infrastructure through conversational commands.

  • May 6, 2026
    Introducing @supabase/server

    Supabase Server enables stateless auth, RLS-scoped clients, and CORS on the server with reduced boilerplate.

  • May 5, 2026
    Realtime or ETL? How to choose the right tool

    Supabase Realtime streams live data changes, while Supabase ETL batches them for scheduled data movement.

See all Supabase updates →

Which should you pick?

Both Customer.io and Supabase serve overlapping audiences (Customer.io in email, Supabase in database).

  • Choose Customer.io if you value: messaging automation for lifecycle and product email.
  • Choose Supabase if you value: the open-source firebase alternative.
  • Subscribe to TrackRival if you want to be notified whenever either of them changes pricing or ships a major update — so you can react before your competitors do.

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