Audience

Hardware startups, electronics engineers, product teams, and technical builders designing printed circuit boards with AI assistance and real-time collaboration.

About Flux

Flux is browser-based PCB design software (EDA) with an AI hardware design assistant. It combines schematic capture, PCB layout, routing, simulation, and design rule checks in one workspace.

Describe a circuit in plain language to generate a schematic, then refine it in the editor. AI helps research parts, place components, route traces, and review designs. Engineers set constraints and approve the final board.

Teams edit projects together in real time, share comments, manage permissions, and reuse community parts and designs. Live component pricing and availability support sourcing. Export Gerber, BOM, and pick-and-place files for manufacturing.

Import Altium ASCII and Cadence EDIF schematics or KiCad component libraries; these imports do not include PCB layouts. Flux runs in a web browser without a desktop installation.

A 14-day trial includes limited AI usage. Paid plans are required afterward for private-project editing/export and AI.

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Pricing

Starting Price:
$50/month (billed monthly)
Pricing Details:
USD. Monthly billing: Explore $50/month; Build $100/month; Pro $250/month. Annual billing (monthly equivalents): Explore $40/month; Build $80/month; Pro $200/month, billed annually. Teams $158/editor/month, or $120/editor/month billed annually. Enterprise: custom pricing.

14-day free trial with limited AI usage; selected plan starts afterward unless canceled. After the trial, editing or exporting private projects and using AI require a paid plan. Public-project/community access remains available. Pro trial requires a $250 hold (monthly) or $200 hold (annual).

AI usage is metered in Agent Compute Units (ACUs). Explore includes 40 ACUs/month; Build 120; Pro 400. Optional pay-as-you-go AI usage on Build and Pro costs $2/ACU; Teams supports optional pay-as-you-go and pooled usage.
Free Trial:
Free Trial available.

Integrations

No integrations listed.

Ratings/Reviews - 1 User Review

Overall 1.0 / 5
ease 3.0 / 5
features 3.0 / 5
design 3.0 / 5
support 1.0 / 5
More Reviews Write a Review

Company Information

Flux
Founded: 2019
United States
www.flux.ai/p

Videos and Screen Captures

Pico Macro Keyboard in Flux's 3D board viewer

Pico Macro Keyboard in Flux's 3D board viewer

Pico Macro Keyboard in Flux's 3D board viewer Radar Sensor XM125 in Flux's 3D board viewer Radar Sensor XM125 PCB layout and routing in Flux Radar Sensor XM125 schematic in Flux Audio amplifier PCB and enclosure in Flux's 3D viewer ESP32 computer PCB layout in Flux
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Product Details

Platforms Supported
Cloud
Training
Documentation
Live Online
Videos
Support
Online

Flux Frequently Asked Questions

Q: What kinds of users and organization types does Flux work with?
Q: What languages does Flux support in their product?
Q: What kind of support options does Flux offer?
Q: What type of training does Flux provide?
Q: Does Flux offer a free trial?
Q: How much does Flux cost?

Flux Product Features

Engineering

Collaboration Supported
Design Analysis Supported
Design Export Supported
Electrical Engineering Supported
2D Drawing Not Supported
3D Modeling Not Supported
Chemical Engineering Not Supported
Civil Engineering Not Supported
Document Management Not Supported
Mechanical Engineering Not Supported
Mechatronics Not Supported
Presentation Tools Not Supported
Structural Engineering Not Supported

PCB Design

3D Visualization Supported
Autorouting Supported
Collaboration Tools Supported
Component Library Supported
Design Rule Check Supported
Differential Pair Routing Supported
Schematic Editor Supported

Flux Additional Categories

Flux Verified User Reviews

Write a Review
  • A Flux User
    Founder
    Used the software for: Free Trial
    Frequency of Use: Yearly
    User Role: User, Administrator
    Company Size: 1 - 25
    Design
    Ease
    Features
    Pricing
    Support
    Probability You Would Recommend?
    1 2 3 4 5 6 7 8 9 10

    "Don't waste your money, deceptive and brings zero value"

    Posted 2026-05-08

    Pros: They sign you up really easy and lead you to belive they can assist. But then your trial runs out and they don't give you any warning the amount of charges you can incur afterwards

    Cons: Terrible experience. I was billed sequentially five times while supposedly on a free trial, with zero notification that I would be charged an extra $20. The billing practices feel very shady. On top of that, the AI product itself is subpar—I've honestly gotten better results using Gemini for free. Don't waste your money here; you're better off just using KiCad.

    Overall: Don't waste your money. Use Kicad, honestly Claude or even Gemini and Copilot were more valuable and free.

    Read More...
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