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Convex vs Supabase Realtime(2026)

Convex is better for teams that need real-time by default. Supabase Realtime is the stronger choice if integrated with supabase db. Convex is freemium (from $25/month) and Supabase Realtime is freemium (from $25/month (included in Supabase)).

Full feature breakdown, pricing details, and pros & cons below.

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Convex logo

Convex

freemium

Convex is a reactive backend platform where database queries automatically push updates to clients in real time.

Starting at $25/month

Visit Convex
Supabase Realtime logo

Supabase Realtime

freemium

Supabase Realtime broadcasts Postgres database changes over WebSockets, with support for broadcast and presence channels.

Starting at $25/month (included in Supabase)

Visit Supabase Realtime

How Do Convex and Supabase Realtime Compare on Features?

FeatureConvexSupabase Realtime
Pricing modelfreemiumfreemium
Starting price$25/month$25/month (included in Supabase)
Reactive queries
TypeScript functions
Built-in database
File storage
Scheduled jobs
Auth integration
Postgres CDC
Broadcast channels
Presence
Row-level security filters
Client SDKs
Scale to millions

Convex Pros and Cons vs Supabase Realtime

C

Convex

+Real-time by default
+TypeScript end-to-end
+No separate WebSocket setup
+Excellent DX
Full platform lock-in
Custom query language
Not for existing backends
S

Supabase Realtime

+Integrated with Supabase DB
+Postgres RLS on realtime events
+Good free tier
+Simple client SDK
Tied to Supabase
Less flexible than Ably for non-Postgres use cases

Should You Use Convex or Supabase Realtime?

Choose Convex if…

  • Real-time by default
  • TypeScript end-to-end
  • No separate WebSocket setup

Choose Supabase Realtime if…

  • Integrated with Supabase DB
  • Postgres RLS on realtime events
  • Good free tier

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