Best Thunder Client Alternatives in 2026
Updated
20 apps from API clients ranked against Thunder Client on the same published basis.
- 1Thunder Client vs Postman
- 2Thunder Client vs Apidog
- 3Thunder Client vs SoapUI
- 4Thunder Client vs Insomnia
- 5Thunder Client vs Bruno
- 6Thunder Client vs Hoppscotch
- 7Thunder Client vs Testfully
- 8Thunder Client vs OpenReq
- 9Thunder Client vs Kreya
- 10Thunder Client vs Altair GraphQL Client
- 11Thunder Client vs Firecamp
- 12Thunder Client vs httpYac
- 13Thunder Client vs grpcurl
- 15Thunder Client vs Vegha
- 16Thunder Client vs RESTK
- 17Thunder Client vs grpcui
- 18Thunder Client vs HTTPie
- 19Thunder Client vs Hurl
- 20Thunder Client vs ReadyAPI
- 21Thunder Client vs Requestly
Thunder Client alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Postman | 8.1 | Free plan | $9/mo | Browser, Linux, Mac, Web, Windows |
| 2 | Apidog | 8.1 | Free plan | $9/mo | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 3 | SoapUI | 8.0 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 4 | Insomnia | 7.9 | Free plan | $12/mo | Linux, Mac, self-hosted, Windows |
| 5 | Bruno | 7.9 | Free plan | $6/mo | API, Browser, Linux, Mac, Windows |
| 6 | Hoppscotch | 7.7 | Free plan | $6/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 7 | Testfully | 7.6 | Free plan | $10/mo | Browser, Linux, Mac, Web, Windows |
| 8 | OpenReq | 7.5 | Free plan | Free | Browser, self-hosted, Web, Windows |
| 9 | Kreya | 7.5 | Free plan | $5/mo | Linux, Mac, Windows |
| 10 | Altair GraphQL Client | 7.5 | Free plan | — | Browser, Linux, Mac, self-hosted, Web, Windows |
| 11 | Firecamp | 7.4 | Free plan | $4,959/mo | Linux, Mac, self-hosted, Web, Windows |
| 12 | httpYac | 7.2 | Free plan | Free | Browser, self-hosted |
| 13 | grpcurl | 7.2 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 15 | Vegha | 7.0 | Free plan | Free | Windows, Mac, Linux |
| 16 | RESTK | 6.8 | Free plan | Free | Mac, Windows |
| 17 | grpcui | 6.7 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 18 | HTTPie | 6.6 | No | — | Web, Windows, Mac, Linux |
| 19 | Hurl | 6.5 | No | — | Windows, Mac, Linux |
| 20 | ReadyAPI | 6.3 | No | — | Web |
| 21 | Requestly | 6.3 | No | $10/mo | Linux, Mac, Windows |
Make your app an alternative to Thunder Client
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Thunder Client alternatives
What is the best alternative to Thunder Client?
Postman, number 1 in API clients with a score of 8.1 out of 10. The others here: Apidog, SoapUI, Insomnia and 16 more.
What is the best free alternative to Thunder Client?
Postman is the best-ranked alternative with a free plan. 16 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.