Postman
Supabase
| Feature | Postman | Supabase |
|---|---|---|
| Pricing | Free / from $14/mo | Free / from $25/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.7 / 5 |
| Best For | developers, qa-engineers, backend-teams, api-designers | developers, startups, indie-hackers, full-stack-teams |
| Founded | 2014 | 2020 |
| Api Testing | ✓ | ✗ |
| Collections | ✓ | ✗ |
| Environments | ✓ | ✗ |
| Mock Servers | ✓ | ✗ |
| Documentation | ✓ | ✗ |
| Monitoring | ✓ | ✗ |
| Flows | ✓ | ✗ |
| Postgres Database | ✗ | ✓ |
| Authentication | ✗ | ✓ |
| Edge Functions | ✗ | ✓ |
| Real Time | ✗ | ✓ |
| Storage | ✗ | ✓ |
| Vector Embeddings | ✗ | ✓ |
| Self Hosting | ✗ | ✓ |
✓ Postman Pros
- Industry standard for API testing and development
- Collaborative workspaces for team API development
- Auto-generated documentation from collections
- Mock servers for frontend development
✗ Postman Cons
- Desktop app is resource-heavy
- Free tier workspace limits restrictive
- Can be overkill for simple API testing
✓ Supabase Pros
- Full Postgres with SQL access
- Generous free tier (500MB, 50K monthly active users)
- Auth, storage, and edge functions included
- Open-source and self-hostable
✗ Supabase Cons
- Can be complex for non-developers
- Pauses inactive free projects after 7 days
- Real-time can be expensive at scale
The Verdict
Postman is built for developers and qa engineers, with a focus on api-testing and collections. Supabase targets developers and startups and leads with postgres-database and authentication.
On pricing, Postman is the clear winner for budget-conscious users — starting at $14/mo compared to $25/mo for Supabase. That $11/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Both tools are a solid fit for developers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.