Convex can be a great backend choice for certain types of applications—especially those that prioritize real-time sync, ease of use, and rapid development. Here's why Convex might be a good fit:
✅ 1. Real-Time Data Sync Built In
Convex provides reactive queries that automatically re-run and update UI components when the underlying data changes. This is perfect for:
- Chat apps
- Collaborative tools
- Dashboards
- Multiplayer apps
No need to manually set up WebSockets or polling.
✅ 2. Full-Stack Type Safety
Convex uses TypeScript end-to-end:
- Backend logic written in serverless functions (in TS)
- Automatically type-safe database queries
- Seamless integration with frontend frameworks like React, Next.js, and React Native
This reduces runtime bugs and improves developer productivity.
✅ 3. No API Layer Required
You don’t need to build a separate REST or GraphQL API.
- Just write backend functions
- Call them directly from the frontend using Convex client
This removes a lot of boilerplate and complexity.
✅ 4. Scalable Serverless Architecture
Convex handles:
- Auto-scaling
- Data storage
- Compute
- Deployment
You don’t have to manage infrastructure, making it ideal for indie hackers, small teams, and rapid MVPs.
✅ 5. Document-Oriented Database with Built-in Auth
Convex includes:
- A powerful document database
- Schema validation with TypeScript
- Built-in user authentication (supports social logins via Auth0 or custom logic)
This lets you focus on features, not plumbing.
✅ 6. Excellent Dev Experience
- Hot reload for backend functions
- Instant deploys
- Introspective dev tools
- Great docs and community
This means a shorter feedback loop and faster development cycle.
✅ 7. Ideal for Modern React Stack
If you're using:
- Next.js
- Expo/React Native
- Tailwind
- tRPC/Zustand/React Query
Convex fits right in with your stack, especially for reactive and collaborative apps.
When Convex May Not Be Ideal:
- You need SQL-style relational queries or transactions across relations
- You want fine-tuned backend control or infra access
- Your app requires offline-first support (this is currently limited)
- You need vendor lock-in freedom or self-hosting options (Convex is not open-source as of now)
Good Use Cases
- Real-time productivity tools (e.g., task managers, code collaboration)
- Interactive dashboards
- MVPs and hackathons
- Edtech apps
- Indie SaaS with modern UX expectations
Whats your thoughts devs?