Supabase vs Convex

Q: Which is better for for typescript-end-to-end apps — Supabase or Convex?

Convex wins. Convex's type inference flows from schema to React hooks without manual types. Refactor a field, the app shows compile errors everywhere. For TypeScript-only teams Convex's DX is genuinely ahead.

Q: Which is better for for polyglot stacks (mobile, python backends) — Supabase or Convex?

Supabase wins. Supabase has SDKs for Swift, Kotlin, Dart, Python, Go. Convex is TypeScript-only. For teams with native mobile or non-JS backends, Supabase is the only option that works.

Q: Which is better for for long-term portability — Supabase or Convex?

Supabase wins. Supabase is standard Postgres — migrate to AWS RDS, Render, or self-host any time. Convex's data and execution model is proprietary; migration off is significant. For risk-averse teams Supabase wins.

A side-by-side comparison from 86 GitHub-verified developers who shipped production code on both platforms.

TL;DR — The Verdict

Supabase wins on Postgres familiarity and SDK breadth; Convex wins on TypeScript-end-to-end DX and reactive query primitives. For TS-only teams Convex; for polyglot teams or SQL-native data Supabase.

Benchmark Comparison

Metric	Supabase	Convex
Database model	Postgres (SQL)	Custom relational
TypeScript-end-to-end	No (multi-language SDK)	Yes (TS only)
Reactive queries	Subscriptions	Built-in
SDK languages	TS/Python/Dart/Swift/Kotlin	TypeScript only
Self-host option	Yes	No
Vendor lock-in	Low (standard Postgres)	Higher
Built-in scheduler/cron	Via pg_cron	Native
Pricing model	Tiered	Tiered

Operational Verdicts

For TypeScript-end-to-end apps

Convex wins

Convex's type inference flows from schema to React hooks without manual types. Refactor a field, the app shows compile errors everywhere. For TypeScript-only teams Convex's DX is genuinely ahead.

For polyglot stacks (mobile, Python backends)

Supabase wins

Supabase has SDKs for Swift, Kotlin, Dart, Python, Go. Convex is TypeScript-only. For teams with native mobile or non-JS backends, Supabase is the only option that works.

For long-term portability

Supabase wins

Supabase is standard Postgres — migrate to AWS RDS, Render, or self-host any time. Convex's data and execution model is proprietary; migration off is significant. For risk-averse teams Supabase wins.

Reviewer Voices

Pro Supabase

"Postgres is the moat."

— @fullstack_lead · Tech Lead

"After 4 years on Firebase the join queries finally make sense."

— @sql_native · Senior Engineer

Pro Convex

"Reactive queries plus types is unreasonably good."

— @react_native · Frontend Lead

"Best DX in the BaaS category for TS teams."

— @ts_lead · Tech Lead

Methodology

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