Convex vs Supabase

Supabase offers an open-source Postgres backend with realtime sync, but Convex adds type-safe serverless functions and AI integrations.

ConvexReactive backend database for TypeScript apps

SupabaseOpen-source Postgres development platform

Which to pick

Pick Convex if you want…

Reactive TypeScript backend with built-in AI support
Integrations with TypeScript, Node.js or Twilio (on Convex's list, not Supabase's)

Pick Supabase if you want…

Postgres-backed backend as a service
Open-source Postgres with realtime
Integrations with React, Next.js or Flutter (on Supabase's list, not Convex's)

Side by side

What it is: Convex:Convex is a reactive, TypeScript-first backend platform offering database, functions, sync, search and AI-ready features.; Supabase:Supabase is an open-source platform that provides a hosted Postgres database with auth, realtime, storage, edge functions and vector search.
Best for: Convex:Reactive TypeScript backend with built-in AI support; Supabase:Postgres-backed backend as a service
Who it’s for: Convex:Developers building TypeScript apps, AI agents and real-time applications.; Supabase:Developers building web, mobile or AI apps who need a full backend without managing servers.
Pricing: Convex:Freemium; Supabase:Freemium
Plans: Convex:Free $0 · Professional $25 per developer/month per month · Enterprise $2,500 monthly minimum per month; Supabase:Free $0 · Pro $25 per month · Team $599 per month
Open source: Convex:Yes, 12,633 GitHub stars; Supabase:Yes, 110,974 GitHub stars
Works with: Convex:TypeScript, Node.js, Stripe, Twilio, PostHog, Workpool, Workflow, AI Gateway; Supabase:React, Next.js, Flutter, Expo React Native, OpenAI, Hugging Face, Stripe

Convex features

Reactive database. ACID-compliant, type-safe database that updates clients in real time.
End-to-end type safety. Ensures TypeScript types are enforced across schema, functions and client code.
Automatic caching & scaling. Handles caching and scales automatically to support viral workloads.
Real-time sync. Pushes data changes instantly to all connected users.
Workpool background jobs. Runs model calls and jobs with retries, backoff and parallelism.
Workflow engine. Multi-step processes that checkpoint, retry and resume automatically.

Supabase features

Managed Postgres. Each project gets its own dedicated Postgres instance with built-in Row Level Security.
Authentication. User sign-up, login, social OAuth and MFA with automatic JWT handling.
Realtime API. Live data synchronization for multiplayer or collaborative experiences.
Edge Functions. Serverless functions that run close to the database without provisioning servers.
Storage & CDN. File storage with 1 GB free, cached egress and basic CDN for serving assets.
Vector Embeddings. Store, index and search vector embeddings via OpenAI or Hugging Face integrations.
Instant REST/GraphQL APIs. Auto-generated APIs for any table, accessible via the client library.
Dashboard & Tools. SQL/Table editors, RLS policy UI, log viewer and backup controls in a web console.

Convex vs Supabase FAQ

Is Convex or Supabase free?+

Convex has a free plan and paid plans. Supabase has a free plan; paid plans start at $25/month (Pro).

Is Convex or Supabase open source?+

Yes, both are open source: Convex (get-convex/convex-backend on GitHub) and Supabase (supabase/supabase on GitHub, Apache-2.0 license).

Do Convex and Supabase integrate with the same tools?+

Partly. Both list Stripe. Convex also lists TypeScript, Node.js, Twilio, PostHog and 3 more; Supabase also lists React, Next.js, Flutter, Expo React Native and 2 more.

On DevHunt

Convex

Listed by DevHunt

Convex on DevHunt →Convex alternatives

Supabase