Side by side
Fluxzy vs mitmproxy
Both stand on web debugging proxies. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source AndroidAPIiPhone+4
Fluxzy offers extensive traffic inspection and modification, including proxyless capture and exports in several formats. The free edition has a personal-use restriction and adds a header; paid licenses start at €49, paid once.
Visit Fluxzy Free plan Open source APILinuxMac+3
mitmproxy provides multiple interfaces and proxy modes for inspecting, editing, recording, and replaying traffic. Readers should note the documented HTTP/3 replay issue and the update constraint for bundled dependencies.
Visit mitmproxyThe facts
| Fluxzy | mitmproxy | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Yes |
| Runs on | Android, API, iPhone, Linux, Mac, Self-hosted, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Pro (Perpetual): €49, paid once | Free or on request |
| Plans published | 6 | 2 |
| Maker | Not published | Not published |
| Website | fluxzy.io | mitmproxy.org |
| On web debugging proxies | #1 of 27 | #2 of 27 |
Fluxzy: what it does well
- Captures traffic without proxy configuration.
- Can edit requests and responses and mock responses.
- Inspects streaming LLM API traffic and tool calls.
- Works offline without an account or cloud sync.
- Exports to HAR, PCAPNG, cURL, and other formats.
What to know first
- Free Community edition is limited to personal use.
- Free edition adds an x-fluxzy-community header.
- Enterprise requires a minimum of three seats.
- No free trial is listed.
mitmproxy: what it does well
- Free and open source.
- Can edit requests and responses in transit.
- Offers console, browser-based, and terminal interfaces.
- Supports several proxy modes, including WireGuard and SOCKS5.
- Python addons can change behavior and expose commands.
What to know first
- HTTP/3 client replay is currently broken.
- Bundled dependencies in binaries and Docker images cannot be updated in place.
- Project directs usage questions and bug reports to GitHub.
Alternatives to Fluxzy Alternatives to mitmproxy The whole list

