Online circuit simulator and electronic schematic editor.
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
CircuitLab is a lean, browser-based electronics design and simulation platform for engineers, students, and hobbyists. It monetizes through paid memberships and academic/site licenses; public funding records agree it was YC-era seed funded in 2013, but the exact amount varies across databases.
Primary product
Browser-based circuit simulator and schematic editor
Founded
2012
Headquarters
Mountain View, California, United States
Team size
1-10 employees
Industry
Appliances, Electrical, and Electronics Manufacturing
Sub-industry
Electronic Design Automation Tools
Offices
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Business model
Stage
seed
Latest round
Seed · Mar 2013
Mar 2013
Investors
Small, niche, maintenance-focused team with a strong education-and-hobbyist orientation and active community/forum support.
Pricing
Tiered subscriptions with monthly and annual billing, plus academic/site licenses and a free trial/evaluation path.
Differentiators
Technology
Customers
Competitors
Estimated revenue
$1M-$10M
Estimated monthly visits
231.3K
Traffic estimate as of Jun 2026
A public forum thread shows users questioning whether CircuitLab was abandoned; Mike Robbins replied that the product is niche and he works on it largely nights and weekends alongside a day job, which indicates very limited development bandwidth.
SourceCircuitLab Blog · Jan 2021
Introduced Live DC Simulation, which continuously updates DC analysis in the background and lets users probe voltages/currents in real time while editing.
CircuitLab Blog · Jan 2021
Added Quick Toggle for faster digital-circuit exploration by switching inputs between 0 and 1 with a keystroke.
CircuitLab Blog · Jan 2021
Announced improved numerical precision in parameter sweeps to reduce rounding artifacts and improve simulation fidelity.
TechCrunch · Mar 2013
Reported early traction, including 70,000 monthly active users and partnerships with Electronics.StackExchange.com and EE Times/EDN.