Best Whistle Alternatives in 2026
Updated
20 tools from web debugging proxies ranked against Whistle on the same published basis.
- 1Whistle vs HTTP Toolkit
- 2Whistle vs NetworkSpy
- 3Whistle vs Reqable
- 4Whistle vs Fluxzy
- 5Whistle vs Fiddler Everywhere
- 6Whistle vs Proxyman
- 8Whistle vs mitmproxy
- 9Whistle vs Charles
- 10Whistle vs Requestly
- 11Whistle vs Mediator
- 12Whistle vs Webber
- 13Whistle vs HTTPeep
- 14Whistle vs Proxyfor
- 15Whistle vs Moni Proxy
- 16Whistle vs Sniper
- 17Whistle vs Microsoft Dev Proxy
- 18Whistle vs Tucano Proxy
- 19Whistle vs FiddlerCore
- 20Whistle vs Probe
- 21Whistle vs WePROXA
Whistle alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | HTTP Toolkit | 7.8 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 2 | NetworkSpy | 7.8 | Free plan | $1.50/mo | Linux, Mac, Windows |
| 3 | Reqable | 7.7 | Free plan | $4.16/mo | Android, iOS, Linux, Mac, Windows |
| 4 | Fluxzy | 7.6 | Free plan | Free | Android, API, iOS, Linux, Mac, self-hosted, Windows |
| 5 | Fiddler Everywhere | 7.5 | No | $3.08/mo | Android, iOS, Linux, Mac, Windows |
| 6 | Proxyman | 7.5 | No | $1/mo | Android, iOS, Linux, Mac, Windows |
| 8 | mitmproxy | 7.4 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 9 | Charles | 7.3 | No | — | iOS, Linux, Mac, Windows |
| 10 | Requestly | 7.2 | No | $10/mo | Linux, Mac, Windows |
| 11 | Mediator | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 12 | Webber | 6.9 | No | — | Linux, Mac, Windows |
| 13 | HTTPeep | 6.8 | No | — | Linux, Mac, Windows |
| 14 | Proxyfor | 6.7 | No | — | Linux, Mac, self-hosted, Web, Windows |
| 15 | Moni Proxy | 6.6 | No | — | Mac, Windows, iOS, Android, Linux |
| 16 | Sniper | 6.4 | No | — | Mac, Windows |
| 17 | Microsoft Dev Proxy | 6.3 | No | — | Linux, Mac, Windows |
| 18 | Tucano Proxy | 6.3 | No | — | Web, Windows, Mac, Linux |
| 19 | FiddlerCore | 6.1 | No | — | Windows, Mac, Linux |
| 20 | Probe | 6.1 | No | — | Windows, Mac |
| 21 | WePROXA | 6.1 | No | — | Windows, Mac |
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Questions about Whistle alternatives
What is the best alternative to Whistle?
HTTP Toolkit, number 1 in web debugging proxies with a score of 7.8 out of 10. The others here: NetworkSpy, Reqable, Fluxzy and 16 more.
What is the best free alternative to Whistle?
HTTP Toolkit is the best-ranked alternative with a free plan. 6 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.