Apps Like Circuit Lab for iPhone and iPad
Analyze electronic circuits with multiple methods.
The app analyzes electronic circuits using modified node analysis. It supports DC, AC, multifrequency AC, and transient analyses for linear and non-linear circuits with various sources and components.
Circuit Lab screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Circuit Calculator
Neil Woodcock
Build, simulate, and solve circuits
Build and simulate linear AC and DC circuits by dragging and rotating components. Calculate steady-state voltages and currents. View real-time DC current flow and review results with detailed analysis. Export schematics and solution data.

iCircuit
Krueger Systems, Inc.
Design, simulate, and learn electronics now.
The app allows users to design, simulate, and learn analog and digital electronics. Its simulation engine provides real-time analysis, enabling users to interact with powered circuits and observe results instantly.



Ohms Law Calc.
V PUGAZHENTHI
Calculate voltage, current, and resistance
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.

iCircuit 3D
Krueger Systems, Inc.
Design and test electronics projects in 3D
Design and test electronics projects in a virtual workspace. Simulate circuits using over 150 components and 1,000 reference boards. Adjust 3D models and view physics-based interactions. Export project data and share designs.

Southwire® Voltage Drop Calc
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.

Breadpad - SPICE Simulator
FreshBizOpps, LLC
Simulate circuits and analyze signals
Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.

Electronics Engineer Helper
Rostyslav Dovhaliuk
Search datasheets and calculate resistor values
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.

Electrician Handbook — Basics
Sergey Vavaev
Access theory, diagrams, and calculators offline
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.

Tinkercad
Autodesk
Design 3D models, circuits, and code
Create 3D models using intuitive device-optimized controls. Design circuits, code, and simulate electronic components. Learn through hands-on projects. Access free, ad-free tools suitable for all ages.

Electrical Engineering: Quiz
Carlo Terracciano
Calculate values
Provides tools for calculations and theory. Users can explore Ohm's Law and resistor calculations. Access theoretical concepts in Basic Knowledge and practical exercises in and Advanced sections.


Power Electronics
Forwa Elade Wunde
Quiz on topics
Learn about through quizzes on topics like Semiconductor Switches, Rectifiers, and Control System Essentials. Test knowledge with interactive questions. Track progress and review answers for each topic.

Circuitry - 3D Circuit Builder
Raffael Kaehn
Build 3D circuits and analyze results
Build and simulate 3D electrical circuits with real-time voltage and current calculations. Drag and drop components to create custom circuits. Analyze results instantly with detailed visual feedback. Export schematics and share designs.

Darkweb Browser for TOR sites
PINATA TECHNOLOGIES
Browse securely with encrypted tunnels
Browse encrypted websites using the TOR Network. Access hidden sites. Route traffic through multiple servers for anonymity. Connect to a built-in VPN for added security. Protect online identity and data privacy.

Mike Holt's Electrical Toolbox
Mike Holt Enterprises Inc.
Size conductors, calculate voltage drop, select circuit
Provides conductor sizing calculations, circuit protection sizing, raceway sizing, and equipment grounding conductor sizing for heating and air-conditioning equipment.

VoltSim - circuit simulator
Sindhu Gopi
Design circuits and simulate electric or digital
Design and simulate electronic circuits with components like resistors, capacitors, and transistors. View voltage, current, and signal data in real time. Use oscilloscopes and multimeters for measurement. Adjust and test circuits dynamically.

iCircuit
Krueger Systems, Inc.
Design, simulate, and learn electronics easily.
The app allows users to design, simulate, and learn analog and digital electronics. Its simulation engine provides real-time analysis, enabling users to build circuits with over 300 components, including programmable microcontrollers and digital ICs.
How we rank alternatives
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