Electronics Circuit Simulator
Build and Simulate Electronics
$2.99 · Designed for iPad. Not verified for macOS.
Version 2.0 — Now with Circuit Challenges, Electronics Calculator, and Oscilloscope View. Test your knowledge, calculate component values instantly, visualize waveforms.
This app is a complete electronics workbench on your iPhone and iPad. Build circuits on an interactive schematic editor, simulate them with real Modified Nodal Analysis, and learn electronics through hands-on exploration.
VERSION 2.0 — WHAT'S NEW:
CIRCUIT CHALLENGES
Test your electronics knowledge with 9 interactive puzzles across 4 categories — Basics, Analysis, Design, and Troubleshooting. Each challenge provides a starting circuit you must modify to meet specific goals, with built-in validation that checks your simulation results.
ELECTRONICS CALCULATOR
Seven quick-access calculators: Ohm's Law, Voltage Divider, RC Time Constant, LED Resistor Sizing, Power Dissipation, Parallel Resistance, and Series Capacitance. All with real-time results in engineering notation as you type.
OSCILLOSCOPE VIEW
Dual-channel waveform visualizer with sine, square, triangle, and sawtooth signals. Adjustable frequency, amplitude, DC offset, and timebase — complete with graticule, tick marks, and measurement readouts for Vpp, Vrms, frequency, and period.
CORE FEATURES:
Schematic editor with tap-to-place components and L-shaped auto-routing wires
DC circuit simulation using Modified Nodal Analysis with Newton-Raphson iteration
50+ electronic components across 10 categories
20+ pre-built common circuits ready to load and simulate
Virtual multimeter with voltage and current probes
Undo support, save/load circuits, rotate and edit component values
Comprehensive Electronics Guide covering fundamentals, components, formulas, and safety
Interactive tutorial for new users
Built entirely in SwiftUI. No internet connection required. No ads. No subscriptions.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Version 2.0 — Major Update:
NEW: Circuit Challenges — 9 interactive puzzles to test your knowledge
NEW: Electronics Calculator — 7 tools for instant component calculations
NEW: Oscilloscope View — Dual-channel waveform visualization
NEW: What's New screen on first launch
Bottom toolbar redesigned with quick access to new features
Version bumped from 1.0 to 2.0
The developer, Yuhsiu Lai, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yuhsiu Lai
- Size
- 4.9 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 iTech Tools
