NetworkSpy vs httpmon

NetworkSpy8.8Visit httpmon8.5Visit

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

vs

httpmon #8 in Web Debugging Proxies 8.5/10 Free plan Free plan✓ 4 of 6 features Visit httpmon

• NetworkSpy fits best

  Budget-conscious teams wanting rich traffic analysis

• httpmon fits best

  Open-source macOS and Linux debugging teams

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Side by side

Feature	NetworkSpy 8.8/10 Visit ↗	httpmon 8.5/10 Visit ↗
At a glance
Editor score	8.8	8.5
Ranking	#5 in Web Debugging Proxies	#8 in Web Debugging Proxies
Best for	Budget-conscious teams wanting rich traffic analysis	Open-source macOS and Linux debugging teams
Pricing model	Free plan + paid	Free
Starting price	$18/user/yr	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop, Self-hosted	Desktop
Platforms	Windows, macOS, Linux	macOS, Linux
Support	Email, Community, Docs · 24/7	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business
Features NetworkSpy 5/6 · httpmon 4/6
Request/response editing	✓	✓
Breakpoint rules	✓	✓
Traffic replay	✓	✓
Response mocking	✓	✓
WebSocket inspection	✓ (best)	Not checked yet
Proxy chaining	Not checked yet	Not checked yet
Specs
Platforms	Desktop	Not checked yet
Our review
Pros	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	Free and open-source with no account or paid tiers Breakpoints, replay, mocking, throttling, and JavaScript hooks Decodes gRPC-Web and Protobuf traffic with MCP support
Cons	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	Platform coverage is limited to macOS and Linux Terminal-focused workflows may not suit GUI-first teams WebSocket debugging is not a stated strength
Our verdict	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 →	httpmon is an open-source HTTP/HTTPS debugging proxy for developers and technical teams working from macOS or Linux terminals. It intercepts traffic through a man-in-the-middle proxy, automatically generates CA certificates, and presents… Read the review →

Strengths and trade-offs

• 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

• httpmon — where it wins

  • Free and open-source with no account or paid tiers
  • Breakpoints, replay, mocking, throttling, and JavaScript hooks
  • Decodes gRPC-Web and Protobuf traffic with MCP support

  Where it doesn't

  • Platform coverage is limited to macOS and Linux
  • Terminal-focused workflows may not suit GUI-first teams
  • WebSocket debugging is not a stated strength

• NetworkSpy8.8/10 · Free plan

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

  Visit NetworkSpyFull verdict →
• httpmon8.5/10 · Free plan

  A free, scriptable proxy for detailed HTTP debugging on macOS and Linux.

  Visit httpmonFull verdict →