Convex
Realtime backend-as-a-service with reactive database and serverless functions
Alternatives
Choose Firebase if…
- you need built‑in analytics and crash reporting
- you want a generous free tier for early growth
- you prefer a NoSQL data model over Convex’s versioned DB
- you already use other Google Cloud services
Choose Xano if…
- you need a visual workflow builder instead of writing code
- you require built‑in SSO/SAML/OIDC authentication
- you want the option to run your backend on your own cloud
- you prefer a PostgreSQL database for SQL queries
Choose PocketBase if…
- you need a single binary with no external services
- you prefer open‑source software you can run on‑premise
- you want SQLite‑based storage that lives on one server
- you need an admin dashboard without a cloud console
Choose Val Town if…
- you need a live endpoint in under a second for a quick
- you want built‑in SQLite and S3‑compatible storage per
- you rely on AI‑assisted coding directly in the browser
- you prefer a freemium tier that covers personal automations
Choose Supabase if…
- you need full SQL query power for complex joins
- you want to avoid vendor lock‑in by running the backend
- your stack already includes PostgreSQL tools and libraries
- you prefer a free tier that includes unlimited rows on
How to Decide
Convex is a realtime backend-as-a-service with a reactive database and serverless functions, used by web and mobile app developers. The alternatives split into a few clear camps: Firebase leans on Google integration and a generous free Spark tier; PocketBase is a self‑hosted, single‑binary open‑source solution with embedded SQLite; Supabase offers a PostgreSQL‑based backend with standard SQL support and open‑source tooling.
When comparing these options, focus on (1) pricing model – Convex and Firebase use freemium plans that can scale pay‑as‑you‑go, while PocketBase is completely free and Supabase offers a free tier but may incur infrastructure costs; (2) deployment location – Convex and Firebase are cloud‑only SaaS services, PocketBase runs self‑hosted on your own servers, and Supabase can be self‑hosted or used as a managed cloud service; (3) underlying database technology – Convex provides a proprietary reactive, versioned DB, Firebase uses a NoSQL Firestore store, PocketBase relies on embedded SQLite, and Supabase builds on PostgreSQL with full SQL capabilities; and (4) openness and language ecosystem – Convex is closed‑source and limited to JavaScript/TypeScript runtimes, PocketBase and Supabase are open‑source with Go and TypeScript ecosystems respectively, while Firebase is proprietary but integrates tightly with Google’s broader platform.
All Alternatives
“Convex offers a no‑code/low‑code BaaS with managed database and serverless functions, directly competing with Xano's API/backend focus.”
“PocketBase delivers a single‑binary realtime DB, auth and file storage, serving as a self‑hosted alternative to Convex's managed stack.”
“Convex offers serverless TypeScript functions as a BaaS, providing the same quick‑deploy endpoint experience for small scripts.”
“Firebase offers a managed realtime database, serverless functions and storage, directly competing with Convex's core BaaS features.”
“Supabase provides a hosted Postgres with realtime sync, edge functions and file storage, matching Convex's backend-as-a-service model.”
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