mitmproxy vs NetworkSpy

mitmproxy9.4Visit NetworkSpy8.8Visit

Higher score mitmproxy #1 in Web Debugging Proxies 9.4/10 Free plan Free plan✓ 6 of 6 features Visit mitmproxy

vs

NetworkSpy #5 in Web Debugging Proxies 8.8/10 Free plan Free plan✓ 5 of 6 features Visit NetworkSpy

• mitmproxy fits best

  Teams wanting a free, programmable proxy

• NetworkSpy fits best

  Budget-conscious teams wanting rich traffic analysis

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Side by side

Feature	mitmproxy 9.4/10 Visit ↗	NetworkSpy 8.8/10 Visit ↗
At a glance
Editor score	9.4	8.8
Ranking	#1 in Web Debugging Proxies	#5 in Web Debugging Proxies
Best for	Teams wanting a free, programmable proxy	Budget-conscious teams wanting rich traffic analysis
Pricing model	Free	Free plan + paid
Starting price	Free plan	$18/user/yr
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop, Browser extension, Self-hosted	Desktop, Self-hosted
Platforms	Web, Windows, macOS, Linux	Windows, macOS, Linux
Support	Community, Docs	Email, Community, Docs · 24/7
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features mitmproxy 6/6 · NetworkSpy 5/6
Request/response editing	✓	✓
Breakpoint rules	✓	✓
Traffic replay	✓	✓
Response mocking	✓	✓
WebSocket inspection	✓	✓
Proxy chaining	✓ (best)	Not checked yet
Specs
Platforms	Not checked yet	Desktop
Our review
Pros	Covers HTTP/1, HTTP/2, HTTP/3, HTTPS, and WebSockets Combines browser, command-line, and Python addon interfaces Supports replay, mocking, recording, and upstream proxy chaining	Inspects HTTP, HTTPS, GraphQL, WebSocket, and gRPC traffic Replays requests, compares traffic, and applies live breakpoints Runs on Windows, macOS, and Linux with AI and MCP features
Cons	No AI-assisted features The web interface runs as part of the local mitmproxy tool Advanced automation requires Python-based scripted addons	Personal includes a license for only one device Custom AI providers and MCP start with Professional Team billing and shared presets require Team Starter or higher
Our verdict	mitmproxy is a free, open-source intercepting proxy for developers, testers, security researchers, and privacy analysts. It captures, inspects, modifies, records, and replays network traffic through command-line, browser-based, and Python… Read the review →	NetworkSpy is a desktop HTTP/HTTPS traffic debugger for developers and development teams. It intercepts and decrypts application traffic, then exposes request metadata, payloads, timing, and validation details for inspection. Its audience… Read the review →

Strengths and trade-offs

• mitmproxy — where it wins

  • Covers HTTP/1, HTTP/2, HTTP/3, HTTPS, and WebSockets
  • Combines browser, command-line, and Python addon interfaces
  • Supports replay, mocking, recording, and upstream proxy chaining

  Where it doesn't

  • No AI-assisted features
  • The web interface runs as part of the local mitmproxy tool
  • Advanced automation requires Python-based scripted addons

• NetworkSpy — where it wins

  • Inspects HTTP, HTTPS, GraphQL, WebSocket, and gRPC traffic
  • Replays requests, compares traffic, and applies live breakpoints
  • Runs on Windows, macOS, and Linux with AI and MCP features

  Where it doesn't

  • Personal includes a license for only one device
  • Custom AI providers and MCP start with Professional
  • Team billing and shared presets require Team Starter or higher

• mitmproxy9.4/10 · Free plan

  A broad, programmable proxy for debugging HTTP, HTTPS, WebSockets, and related traffic.

  Visit mitmproxyFull verdict →
• NetworkSpy8.8/10 · Free plan

  A low-cost desktop proxy for inspecting, replaying, comparing, and modifying application traffic.

  Visit NetworkSpyFull verdict →