CircuitLab CircuitSim

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CircuitLab:

About

Easy-wire mode lets you connect elements with fewer clicks and less frustration. Unit-aware expression evaluation lets you plot arbitrary signals of interest, such as differential signals or power dissipation. In-browser simulation and plotting lets you design and analyze faster, making sure your circuit works before ever picking up a soldering iron. Advanced simulation capabilities include frequency-domain (small signal) simulation, stepping circuit parameters through a range, arbitrary Laplace transfer function blocks, and more. Work with multiple signals easily with configurable plotting windows, vertical and horizontal markers, and calculations on signals. Draw generic rectangular symbols for IC or system-level wiring diagrams with just a few clicks.
CircuitSim:

About

CircuitSim is a full SPICE circuit simulator with a 3,000+ component library and a modern schematic editor. No install, free to get started. Built for students, educators, and professionals. It runs in a browser tab and needs no admin rights, so it works on Chromebooks and locked-down school laptops. Run seven kinds of analysis: interactive, interactive operating point, transient, AC sweep, DC operating point, DC sweep, and parameter sweep. Results plot on oscilloscope-style charts, with probes you can drop anywhere in the circuit. Define custom parts from SPICE model text or import KiCad symbols. CircuitSim also imports Multisim Live designs ahead of that product's retirement on September 15, 2026. It is the only browser tool that opens .csim, .ms14, and .msjs files, and it rebuilds the schematic with wiring, placement, net labels, probes, and simulation settings intact. Classroom licensing adds seat assignment, anonymous student seats, and private student work.
CircuitLab:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
CircuitSim:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Supported
CircuitLab:

Audience

Engineers looking for a tool to build and simulate circuits right in their browser
CircuitSim:

Audience

Engineering students, professors and teachers, makers and hobbyists, and practicing engineers
CircuitLab:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
CircuitSim:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
CircuitLab:

API

Offers API Not Supported
CircuitSim:

API

Offers API Not Supported
CircuitLab:

Screenshots and Videos

CircuitSim:

Screenshots and Videos

CircuitLab:

Pricing

$24 per year
Free Version Supported
Free Trial Not Supported
CircuitSim:

Pricing

$2.99
Free Version Supported
Free Trial Not Supported
CircuitLab:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
CircuitSim:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
CircuitLab:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
CircuitSim:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
CircuitLab:

Company Information

CircuitLab
www.circuitlab.com
CircuitSim:

Company Information

CircuitSim
Founded: 2025
United States
circuitsim.com
CircuitLab:

Alternatives

CircuitSim:

Alternatives

CircuitLab:
CircuitSim:
CircuitLab:
CircuitSim:
CircuitLab:
CircuitSim:
LTspice

LTspice

Analog Devices
CircuitLab:
CircuitSim:
TINA-TI

TINA-TI

Texas Instruments
CircuitLab:

Categories

Circuit Simulation Supported
CircuitSim:

Categories

Circuit Simulation Supported
CircuitLab:

Integrations

No info available.
CircuitSim:

Integrations

No info available.
CircuitLab:
Claim CircuitLab and update features and information
Claim CircuitLab and update features and information
CircuitSim:
Claim CircuitSim and update features and information
Claim CircuitSim and update features and information