Convex

Reactive backend for web apps.

Filed under: Coding

About Convex

Convex is a backend platform with a reactive database, serverless functions, and file storage designed for TypeScript developers. Its queries update the UI in real time automatically. In AI coding tools infrastructure, Convex simplifies real-time apps. Builders using Replit choose it for live data.

Key features

Reactive document database
TypeScript-first functions
Real-time sync
File storage
Auth integrations
Free tier available

Convex screenshots

Convex: pros & cons

Pros

Real-time by default
TypeScript-native
Simple mental model
Free tier available

Cons

Newer ecosystem
TypeScript focus
Vendor-specific patterns

Convex FAQs

Is Convex free?

Convex offers a free tier; paid plans scale with usage.

What makes Convex reactive?

Database queries automatically push updates to connected clients.

Does Convex support auth?

Yes, it integrates with popular auth providers.