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Head-to-head · Web Debugging Proxies

Fiddler Everywhere vs NetworkSpy

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Fiddler Everywhere #4 in Web Debugging Proxies 8.9/10 10-day trial Free trial✓ 6 of 6 features Visit site
NetworkSpy #5 in Web Debugging Proxies 8.8/10 Free plan Free plan✓ 5 of 6 features Visit NetworkSpy

Fiddler Everywhere leads on 0 checks, NetworkSpy on 1, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFiddler Everywhere · 8.9/10
  • Free planonly NetworkSpy
  • Free trialonly Fiddler Everywhere
  • Most featuresFiddler Everywhere · 6 of 6

Fiddler Everywhere scores higher on our rubric for web debugging proxies: 8.9 against 8.8 out of 10; our editors rank them #4 and #5.

NetworkSpy offers free plan; Fiddler Everywhere doesn't.

Fiddler Everywhere is the better fit for teams needing polished desktop and mobile capture. NetworkSpy is the better fit for budget-conscious teams wanting rich traffic analysis.

  • Fiddler Everywhere fits best

    Teams needing polished desktop and mobile capture

  • NetworkSpy fits best

    Budget-conscious teams wanting rich traffic analysis

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Fiddler Everywhere 8.9/10 Visit ↗ NetworkSpy 8.8/10 Visit ↗
At a glance
Editor score 8.9 8.8
Ranking #4 in Web Debugging Proxies #5 in Web Debugging Proxies
Best for Teams needing polished desktop and mobile capture Budget-conscious teams wanting rich traffic analysis
Pricing model Paid Free plan + paid
Starting price $7/user/mo $18/user/yr
Free plan — ✓ (best)
Free trial 10 days —
Deployment Cloud, Desktop, Mobile Desktop, Self-hosted
Platforms Windows, macOS, Linux, iOS, Android Windows, macOS, Linux
Support Email, Tickets Email, Community, Docs · 24/7
Compliance SSO/SAML SSO/SAML
Built for Solo, Small business, Enterprise Solo, Small business, Mid-market, Enterprise
Features Fiddler Everywhere 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
  • Captures HTTPS, WebSocket, SSE, gRPC, and Socket.IO traffic
  • Supports replay, breakpoints, mocking, rules, and API composition
  • Runs across Windows, macOS, Linux, iOS, and Android traffic capture
  • 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 permanent free plan is available
  • Commercial use requires a paid license after the 10-day trial
  • Advanced enterprise controls are limited to the Enterprise plan
  • 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

Fiddler Everywhere is a web-debugging proxy for developers, QA teams, support engineers, and organizations working with HTTP/S traffic. It captures browser, terminal, desktop, mobile, and service traffic, then provides tools to inspect,…

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 →
  1. Fiddler EverywhereWeb Debugging Proxies 8.910-day trial
  2. NetworkSpyWeb Debugging Proxies 8.8Free plan

Strengths and trade-offs

  • Fiddler Everywhere — where it wins

    • Captures HTTPS, WebSocket, SSE, gRPC, and Socket.IO traffic
    • Supports replay, breakpoints, mocking, rules, and API composition
    • Runs across Windows, macOS, Linux, iOS, and Android traffic capture

    Where it doesn't

    • No permanent free plan is available
    • Commercial use requires a paid license after the 10-day trial
    • Advanced enterprise controls are limited to the Enterprise plan

  • 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
  • Fiddler Everywhere8.9/10 · 10-day trial

    A broad desktop and mobile debugging proxy with replay, mocking, rules, and collaboration.

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

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

    Visit NetworkSpyFull verdict →

More comparisons

All web debugging proxies comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update