Head-to-head · Local Development Proxy Tools
Charles vs Fluxzy
Charles leads on 0 checks, Fluxzy on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreCharles · 9.2/10
- Free planonly Fluxzy
- Free trialonly Charles
Charles scores higher on our rubric for local development proxy tools: 9.2 against 7.9 out of 10; our editors rank them #1 and #7.
Fluxzy offers free plan; Charles doesn't.
Charles is the better fit for teams needing a mature, cross-platform debugging proxy. Fluxzy is the better fit for developers who need protocol depth and a free tier.
- Charles fits best
Teams needing a mature, cross-platform debugging proxy
- Fluxzy fits best
Developers who need protocol depth and a free tier
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. How we rank.
Side by side
| Feature | Charles 9.2/10 Visit ↗ | Fluxzy 7.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 7.9 |
| Ranking | #1 in Local Development Proxy Tools | #7 in Local Development Proxy Tools |
| Best for | Teams needing a mature, cross-platform debugging proxy | Developers who need protocol depth and a free tier |
| Pricing model | Paid | Free plan + paid |
| Starting price | $50/user one-time | €49/user one-time |
| Free plan | — | ✓ (best) |
| Free trial | 30 days | — |
| Deployment | Desktop | Desktop, Self-hosted, Mobile |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux, Android |
| Support | Email, Docs | Email, Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features Charles 1/4 · Fluxzy 1/4 | ||
| HTTPS interception | Not checked yet | Not checked yet |
| Edit requests and responses | ✓ | ✓ |
| Mobile app debugging | Not checked yet | Not checked yet |
| API debugging tools | Not checked yet | Not checked yet |
| Specs | ||
| Supported platforms | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
|
|
| Cons |
|
|
| Our verdict | Charles is a desktop web debugging proxy for developers working with web and networked applications. It records HTTP, HTTPS, and related traffic for inspection of requests, responses, headers, cookies, and bodies. Support for Windows,… Read the review → |
Fluxzy is a debugging proxy for developers and security engineers who need to capture, inspect, and change application traffic. Its coverage spans HTTP/1.1, HTTP/2, HTTPS, WebSockets, gRPC, and SOCKS5, with proxy and proxyless capture… Read the review → |
Strengths and trade-offs
Charles — where it wins
- Inspects HTTP, HTTPS, and SOCKS traffic across Windows, macOS, and Linux
- Breakpoints, editing, replay, rewriting, and local or remote mapping
- Supports WebSockets, throttling, SSL proxying, and headless operation
Where it doesn't
- No separate perpetual free plan
- Individual licenses are limited to one computer at a time
- Volume and site pricing may not suit teams seeking subscription billing
Fluxzy — where it wins
- Inspects HTTP(S), WebSockets, gRPC, Protobuf, and raw PCAPNG traffic
- Supports editing, breakpoints, transformation rules, mocking, and replay
- Exports to HAR, SAZ, cURL, and .http formats
Where it doesn't
- Community Edition is restricted to personal use
- Paid licenses remove the personal-use restriction but start at €49
- Desktop support is limited to Windows, macOS, and Linux
- Charles9.2/10 · 30-day trial
A cross-platform debugging proxy with deep traffic controls, sold through one-time licenses.
Visit CharlesFull verdict → - Fluxzy7.9/10 · Free plan
A protocol-rich debugging proxy with a free personal edition and perpetual paid licenses.
Visit FluxzyFull verdict →
More comparisons
- Charles vs mitmproxy
- Charles vs HTTP Toolkit
- Charles vs Fiddler Everywhere
- Charles vs Fiddler Classic
- Charles vs Reqable
- Charles vs Proxyman
- Fiddler Classic vs Fluxzy
- Reqable vs Fluxzy
All local development proxy tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update