Hoppscotch
Swell
| Feature | Swell | |
|---|---|---|
| Pricing | Free / from $7/mo | Free / from $299/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Best For | developers, open-source-teams, api-testing, lightweight-alternative | developers, subscription-businesses, custom-ecommerce, b2b-commerce |
| Founded | 2019 | 2016 |
| Rest Client | ✓ | ✗ |
| Graphql Client | ✓ | ✗ |
| Websocket Testing | ✓ | ✗ |
| Collections | ✓ | ✗ |
| Environments | ✓ | ✗ |
| Team Collaboration | ✓ | ✗ |
| Self Hostable | ✓ | ✗ |
| Headless Api | ✗ | ✓ |
| Subscriptions | ✗ | ✓ |
| Multi Currency | ✗ | ✓ |
| Custom Models | ✗ | ✓ |
| Webhooks | ✗ | ✓ |
| Admin Dashboard | ✗ | ✓ |
✓ Hoppscotch Pros
- Open-source and self-hostable
- Lightweight and fast (browser-based, no download)
- Supports REST, GraphQL, WebSocket, SSE, Socket.IO
- Team collaboration with shared collections
✗ Hoppscotch Cons
- Fewer features than Postman for enterprise use
- Limited mock server capabilities
- Desktop app less mature than web version
✓ Swell Pros
- Extremely flexible API
- Built-in subscription support
- Good for unique business models
- Developer-friendly
✗ Swell Cons
- Requires development resources
- Expensive for small stores
- Smaller ecosystem
The Verdict
Hoppscotch is built for developers and open source teams, with a focus on rest-client and graphql-client. Swell targets developers and subscription businesses and leads with headless-api and subscriptions.
On pricing, Hoppscotch is the clear winner for budget-conscious users — starting at $7/mo compared to $299/mo for Swell. That $292/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.
Feature-wise, Hoppscotch offers broader built-in capabilities (7 features vs 6), while Swell takes a more focused approach — which can mean a simpler, faster onboarding experience.
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.