Fiddler vs Thunder Client
No leader: the top candidate Thunder Client has only 0.29 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for api development tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Fiddler
A web debugging tool that captures, logs, and enables inspection and modification of HTTP(S) requests and responses flowing between your device and the internet.
Thunder Client
A VS Code extension for testing and managing REST API requests with a clean, simple interface. Supports team collaboration by storing request data in Git repositories and includes advanced CLI capabilities.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Fiddler
From $7/month for Fiddler Everywhere. Free tier available. 10-day trial.
- Fiddler Everywhere$7/month
- Capture and modify HTTP/S traffic
- API composer for request editing
- Fiddler ClassicFree
- Manually inspect and debug Windows HTTP/S traffic
- Basic Composer support
Thunder Client
From free to $16/user/month. 14-day free trial available.
- FreeFree
- VS Code extension
- Local storage
- Starter$3/user/month billed annually
- VS Code & JetBrains extensions
- Team features
- CLI & CI/CD
- WebSocket, SSE, gRPC
- 250 Collection Runs per user
- Business$7/user/month billed annually
- VS Code & JetBrains extensions
- Team features
- CLI & CI/CD
- WebSocket, SSE, gRPC
- 500 Collection Runs per user
- Enterprise$16/user/month billed annually
- VS Code & JetBrains extensions
- Team features
- CLI & CI/CD
- WebSocket, SSE, gRPC
- Unlimited Collection Runs
- +6 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Fiddler
- MCP
Thunder Client
- Azure
- AWS
Fiddler or Thunder Client: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.