Breadpad - Digital Circuit Simulator #
Design, simulate, and analyze electronic circuits with professional-grade SPICE accuracy on your iPhone, iPad, Mac, and Apple Vision Pro.
Download on the App Store #
What is Breadpad? #
Breadpad transforms your device into a powerful electronics workbench. Whether you’re a student learning circuits, an engineer prototyping designs, or a hobbyist exploring electronics, Breadpad provides the tools you need with an intuitive visual interface.
Key Features #
- Visual Breadboard Interface - Place components just like on a real breadboard
- Professional SPICE Engine - Industry-standard ngspice simulation accuracy
- Comprehensive Component Library - From resistors to MOSFETs to custom ICs
- Advanced Analysis Tools - Time domain, frequency response, Monte Carlo, and more
- Universal App - Works seamlessly across iPhone, iPad, Mac, and Vision Pro
- Real-time Simulation - See results instantly as you build
Perfect For #
- Students - Learn electronics with immediate visual feedback
- Engineers - Rapid prototyping and circuit validation
- Educators - Demonstrate circuit concepts interactively
- Makers - Test ideas before building hardware
- Hobbyists - Explore electronics without expensive equipment
Getting Started #
1. Build Your Circuit #
Select components from the toolbox and place them on the breadboard. Connect with wires just like the real thing.
2. Set Parameters #
Double-tap any component to adjust values. Set resistances, capacitances, voltage sources, and more.
3. Add Probes #
Tap any connection point to add measurement probes. Monitor voltage and current throughout your circuit.
4. Run Analysis #
Choose from multiple analysis types:
- Transient - See how circuits behave over time
- AC Analysis - Frequency response and filters
- DC Sweep - Component characteristics
- Operating Point - DC bias conditions
5. View Results #
Professional oscilloscope interface shows waveforms, measurements, and data. Export results for reports or further analysis.
Platform Features #
iPhone & iPad #
- Touch-optimized interface
- Apple Pencil support (iPad)
- Haptic feedback
- Split View multitasking
Mac #
- Multiple windows
- Keyboard shortcuts
- Large screen layouts
- Professional workflows
Vision Pro #
- 3D circuit visualization
- Immersive analysis
- Spatial collaboration
- Volumetric components
Premium Features #
Upgrade to unlock:
- Unlimited Probes - Monitor every signal
- Monte Carlo Analysis - Statistical variations
- Temperature Sweeps - Thermal analysis
- Advanced Sources - PWM, FM, AM signals
- Import SPICE Models - Use manufacturer data
- Export Results - CSV data and reports
- Priority Support - Direct assistance
Learn More #
- Components Guide - Detailed component documentation
- Analysis Types - Master each analysis mode
- Platform Support - Features by device
- Pricing - Free and Premium options
- Privacy Policy - Your data is yours
Start Building Today #
Download Breadpad and join thousands of users designing circuits the modern way. Free to download with optional premium upgrade.