Charles vs FiddlerCore
| Charles | FiddlerCore | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | iOS, Linux, macOS, Windows | Windows, macOS, Linux |
| Free plan | No | No |
| Request/response editing | Yes | Yes |
| Breakpoint rules | Yes | — |
| Traffic replay | Yes | Yes |
| Response mocking | Yes | Yes |
| WebSocket inspection | Yes | Yes |
| Proxy chaining | Yes | Yes |
| Platforms | — | desktop |
Both are listed in Best Web Debugging Proxies. On The Geeks Club, Charles scores higher on our published basis.