Side by side
PSCAD vs QSPICE
Both stand on electrical design software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWindows
Choose PSCAD if you need a Windows desktop interface for EMTDC circuit construction, simulation, and analysis. The Free Edition provides a permanent starting point, while users who need its excluded interfaces or higher network limits should consider another edition; paid edition prices require a sales quotation.
Visit PSCAD Free plan Windows
Choose QSPICE if you need locally run circuit simulation with analog and digital support, compilers, and a Qorvo model library at no cost. Look elsewhere if you need a non-Windows platform or cannot meet its listed storage and memory requirements.
Visit QSPICEThe facts
| PSCAD | QSPICE | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Windows | Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 3 | 1 |
| Maker | Not published | Not published |
| Website | pscad.com | qorvo.com |
| On electrical design software | #10 of 41 | #14 of 41 |
PSCAD: what it does well
- Master library includes machines, cables, protection, and FACTS controllers.
- Live plotting shows parameter changes during simulations.
- Python scripting can automate application and project operations.
- Enhanced package converts PSS/E or PowerFactory data to PSCAD.
- Permanent Free Edition license.
What to know first
- Free Edition is limited to 15 electrical nodes and 5 modules.
- Free Edition excludes MATLAB, Python Automation UI/library, Blackbox, and Co-Simulation Interface.
- Free Edition setup requires internet access and a MyCentre account.
QSPICE: what it does well
- Free for commercial use.
- Runs locally as a downloadable Windows program.
- Simulates analog and complex digital systems.
- Includes C++ and Verilog compilers.
- Supports MOSFET, diode, and JFET model creation.
What to know first
- Available only for Windows.
- Requires at least 4 GB of RAM.
- Lists at least 16 GB for simulation data.
- No free trial is offered.