LTspice
LTspice is a free circuit simulation app for macOS that helps users design, test, and analyze analog and mixed-signal electronic circuits.
What is LTspice?
LTspice is a native macOS circuit simulation application used to create schematics, run SPICE-based simulations, and inspect waveforms for electronic designs. It is widely used by students, hobbyists, and professional engineers for analog power, signal-chain, and general circuit analysis work. The app combines schematic capture with a waveform viewer so users can build circuits visually and evaluate voltages, currents, timing, and operating behavior before hardware is built. LTspice also includes a large library of simulation models and supports importing or editing netlists for more advanced workflows. On Mac, it fits naturally into electronics design, prototyping, troubleshooting, and educational lab work. Analog Devices publishes LTspice as a free developer tool for circuit design and simulation.
Key features
- Draw circuit schematics and wire components visually
- Run SPICE simulations for analog and mixed-signal circuits
- Plot and inspect voltages, currents, and waveform timing
- Use built-in component and device models for design analysis
- Edit or import netlists for advanced simulation workflows
- Test circuit behavior before building physical hardware
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Safety overview
Status: Use with caution
LTspice itself is legitimate engineering software, but the app metadata shown here conflicts with the known publisher. LTspice for macOS is published by Analog Devices, while the listed publisher name is different. Before keeping or removing it, open the app in Finder, check Get Info, and confirm the Developer ID signature and install source match Analog Devices. If the app was downloaded from an unofficial mirror or the signature does not match, treat that copy cautiously and replace it with a fresh download from the official LTspice page.
Recommendation: Keep LTspice if you use it for circuit simulation or electronics coursework. If you do not recognize where this copy came from, verify the app signature and download source first; if anything looks inconsistent, remove this copy and reinstall LTspice directly from Analog Devices.
Common paths
/Applications/LTspice.app
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