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Editors' Review · February 3, 2026

Real-time electronic circuit simulation

iCircuit by Krueger Systems Inc. delivers a real-time electronic circuit simulation experience focused on quick prototyping and clear circuit visualization. Its key strength is the continuous, always-on simulation that provides immediate feedback as components and values are modified, making it well suited for users who need instant insight during circuit design and experimentation. Because the simulation runs continuously, the app does not provide a dedicated control to pause or toggle the simulation state during use.

iCircuit enables users to build and test circuits in an interactive environment where simulation runs continuously as changes are made. This real-time behavior allows immediate observation of circuit performance, supporting a smooth and intuitive design workflow.

Instant feedback with real-time simulation

The software includes more than 30 electrical components, including resistors, switches, MOSFETs, and digital logic gates, enabling practical, hands-on circuit experimentation. To support real-time analysis, iCircuit includes a built-in multimeter for instant voltage and current readings, as well as an integrated oscilloscope for observing how signals change over time.

Intuitive real-time circuit simulation experience

In summary, iCircuit provides an effective solution for designing and simulating electronic circuits, offering continuous real-time feedback through an intuitive and accessible interface. Its broad selection of core analog and digital components along with integrated measurement tools makes it well suited for educational use, learning, and basic engineering experimentation. Overall, iCircuit serves as a practical and engaging option for users focused on interactive circuit design and real-time analysis within its documented capabilities.

  • Pros

    • Always-on real-time simulation
    • Over 30 supported components
    • Built-in multimeter and oscilloscope
    • Clear visual feedback for voltages
    • Suitable for learning and experimentation
  • Cons

    • Always-on simulation cannot be paused
Enlarged image for iCircuit
iCircuit 0/1

Technical

Title
iCircuit 1.0.0.4 for Windows
Requirements
Windows 10
Language
English
Available languages
English
License
Full
Latest update
Author
Krueger Systems Inc.

Program available in other languages



Changelog

We don’t have any change log information yet for version 1.0.0.4 of iCircuit. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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