Last updated 08-21-2026
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Flux
Flux runs ECAD in the browser so hardware engineers design printed circuit boards from idea through manufacturing without desktop installs. You describe what you want to build, and Flux Copilot plans the work, generates schematics and layouts, and checks in before key steps so you stay in control.
Compared with traditional desktop ECAD suites, Flux combines collaborative schematic and layout editing with live component data, supply chain pricing, and explainable automation in one workspace. Copilot handles planning, part research, BoM generation, placement, routing, and design reviews while you approve key steps instead of clicking through every net manually.
Flux supports multi-layer PCBs up to eight layers for IoT devices, wearables, robotics, and production-bound hardware. You can import from Altium, Cadence, KiCad, Eagle, and EasyEDA, then export Gerbers, drill files, BoMs, pick-and-place files, and standard netlists for fabrication.
Describe a board in plain language and Copilot maps a plan for approval
Generates schematics, BoMs, and layouts with placement and routing
Runs design reviews for unconnected pins, missing caps, and tolerance issues
Multi-layer PCBs up to eight layers, from prototype to production
Imports Altium, Cadence, KiCad, Eagle, and EasyEDA projects
Exports Gerbers, drill files, BoM, pick-and-place, and netlists
14-day free trial covers all features before Explore, Build, or Pro billing starts
Full ECAD workflow in the browser with no desktop install required.
Copilot automates planning, schematic work, layout, and design reviews with human checkpoints.
Live component inventory and pricing keep BoMs sourcing-ready.
Imports from major ECAD tools and exports manufacturing-ready fab files.
14-day premium trial before committing to a paid plan.
Layout import from Altium, Cadence, or KiCad is not supported yet.
Copilot usage is metered through ACUs that can run out on busy months.
Teams and Pro plans charge per editor, which adds up for large hardware groups.
Does Flux have a free trial?
Yes. Flux offers a 14-day free trial with limited AI usage and access to the full editor. After the trial, you choose Explore, Build, or Pro, or keep using public projects on a free account without private editing or exports.
How much does Flux cost?
Flux Explore is $20 per month, Build is $60 per month, and Pro is $200 per month on individual plans. Teams is $158 per month per editor with pooled ACUs, and Enterprise uses custom pricing through sales.
What are ACUs in Flux?
ACUs (Agent Compute Units) meter Copilot usage in Flux, including chat and automated workflows. Teams plans include 100 ACUs per editor per month with $2 overage per additional ACU, pooled across the workspace.
Can I import projects from Altium or KiCad into Flux?
Yes. Flux imports schematics from Altium (ASCII) and Cadence (EDIF), plus KiCad part libraries. Eagle, Upverter, and EasyEDA migrations are documented. Full layout import from other ECAD tools is not supported yet.
Can Flux export files for PCB manufacturing?
Yes. Flux exports Gerbers, drill files, BoM, pick-and-place, and standard netlists for fabrication and downstream tools, as documented in its manufacturing export guide.
Does Flux train on my design data?
No. Flux states it does not use business or enterprise customer data to train its models. Enterprise plans add SOC 2 compliance, encryption at rest and in transit, and administrative access controls.
What kinds of boards can I design in Flux?
Flux supports professional multi-layer PCBs up to eight layers for IoT devices, wearables, robotics, and similar production hardware. Featured project templates cover power delivery, RF telemetry, embedded AI, and industrial automation.