Compare · HTTP Toolkit
A native Mac alternative to HTTP Toolkit.
HTTP Toolkit is open source, runs on Windows, macOS and Linux, and has a free tier and a Pro subscription. Cloak Proxy is a native Mac app, not open source, with every feature free, including the kinds HTTP Toolkit keeps for Pro. Here's how they compare, with a source for each fact about HTTP Toolkit, and when it's the better choice.
Checked on 13 October 2026 against HTTP Toolkit's own pages (the newer rows on 18 October 2026); HTTP Toolkit's pricing page and MCP guide re-checked on 19 October 2026 (Pro's price as checked on 13 October 2026).
In short
- Price
- Cloak Proxy is free, with no tiers and no account. HTTP Toolkit has a free tier; Pro was $15 a month or $132 a year in the US when we checked.
- Pro features
- In HTTP Toolkit, mock responses, injected errors and timeouts, HAR import and export and OpenAPI validation are Pro features. Cloak Proxy includes Map Local, failure scenarios, HAR and contract checking for free.
- Platforms and licence
- HTTP Toolkit is open source (AGPL-3.0), built with Electron, and runs on Windows, macOS and Linux. Cloak Proxy is native Swift on the Mac, with a Linux beta.
Being fair
When to pick which.
Pick HTTP Toolkit if…
You want open source
HTTP Toolkit's free edition is open source under AGPL-3.0. Cloak Proxy isn't open source.
You need Windows, or a stable Linux release
HTTP Toolkit ships a Windows installer and DEB, RPM, Arch and AppImage packages for Linux. Cloak Proxy is on the Mac, with a Linux beta as a .deb, an RPM, an AppImage or a tarball, and no Arch package yet.
You debug Android on the device
HTTP Toolkit has an Android app. Cloak Proxy sets up Android emulators and USB devices over adb, through your Mac.
Pick Cloak Proxy if…
You want Pro's kind of features without a subscription
Map Local, Rewrite, failure scenarios (time-outs, resets, slow bodies), HAR import and export and saved collections, all free.
Your agent should change things, not just read
HTTP Toolkit's free MCP access is read-only and capped per session; read-write is Pro. Cloak Proxy's MCP server has 133 tools, free, to read traffic and add mocks, rules and failures.
You want a native Mac app
Cloak Proxy is written in Swift, with a command palette (⇧⌘A), light and dark mode, and an API client in the same window.
You test APIs from the traffic you have
An authorization matrix that replays requests as other users, Trace Value, an LLM Inspector for model calls, and tests made from captured traffic.
Feature by feature
Cloak Proxy and HTTP Toolkit.
| Feature | Cloak Proxy | HTTP Toolkit |
|---|---|---|
| Price | Free, no paid tier | Free tier; Pro $15 a month or $132 a year (US) |
| Platforms | macOS 14+; Linux beta | macOS, Windows, Linux, plus an Android app |
| Built with | Native Swift | Electron |
| Open source | No | Yes, AGPL-3.0 |
| Breakpoints | Yes | Yes |
| Map Local and Map Remote | Yes | Pro |
| Rewrite without code | Headers, query, URL, bodies and status | Pro transform rules |
| Scripting | JavaScript | Not in the app |
| Network throttling | Yes | Delay rules, Pro |
| API client with saved collections | Yes, 11 protocols, files you can keep in Git | Send; saved requests with Pro |
| MCP server for AI agents | 133 tools, free, read and write | Free read-only with limits; full with Pro |
| Apps that ignore the system proxy | App Capture per app (network extension), or DNS capture | Per-app: terminals, JVM, Docker, Electron |
| iOS Simulator and Android emulator setup | Both, one click | Android emulator |
| Checking traffic against your OpenAPI spec | Live, with coverage and CI exit codes | Pro: validation, custom specs too |
| HAR import and export | Yes | Pro |
| Only in Cloak ProxyLLM Inspector | Built in, free | Not built in |
| Only in Cloak ProxyAuthorization matrix | Built in, free; fails CI with cloakctl | Resend by hand |
| Only in Cloak ProxyTrace Value | Built in, free | Not built in |
| Only in Cloak ProxyReplayable flows with values chained | Built in, free | Resend by hand |
| Only in Cloak ProxyPrivacy Map | Built in, free | Not built in |
“Paid” means not in HTTP Toolkit's free trial or tier. Prices are list prices before tax and change over time; follow the sources for today's. Checked on 13 October 2026 against HTTP Toolkit's own pages (the newer rows on 18 October 2026); HTTP Toolkit's pricing page and MCP guide re-checked on 19 October 2026 (Pro's price as checked on 13 October 2026). Spotted something out of date? Email hello@subcloak.com and we'll fix it.
FAQ
Cloak Proxy or HTTP Toolkit?
Something else? Email hello@subcloak.com or book a call.
Is Cloak Proxy free like HTTP Toolkit's free tier?
Cloak Proxy has no tiers: every feature is free for life, with no account. HTTP Toolkit's free tier covers capture, inspection, breakpoints and sending requests; mocking, HAR import and export and OpenAPI validation are in Pro.
Is Cloak Proxy open source like HTTP Toolkit?
No. HTTP Toolkit is AGPL-3.0, and mitmproxy is MIT. Cloak Proxy's in-app SDK, CloakProxyKit, is MIT-licensed, but the app isn't open source.
Can I move my HTTP Toolkit traffic over?
Export it as a HAR file (a Pro feature in HTTP Toolkit) and open it in Cloak Proxy with File › Open Session. See Import in the docs.
Does Cloak Proxy run on Windows?
Not yet. Cloak Proxy runs on macOS 14 Sonoma or later, Apple silicon or Intel, and on Linux as a beta (a .deb, an RPM, an AppImage or a tarball). Windows is on the way: join the waitlist and we'll email you once when it's ready.
Try it on your own traffic.
Free for life, macOS 14 Sonoma or later, Apple silicon or Intel; Linux in beta. No account, no sign-up.