Apps Like Simple Circuit Builder for iPhone and iPad
Measure voltages and calculate resistance
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
Simple Circuit Builder screenshots
Ranked alternatives
Showing 81–100 of 1,000 ranked alternatives.



SLD | Electrical diagrams
Angel Martinez
Create with drag-and-drop symbols
Create one-line using standardized symbols. Select and drag symbols to arrange . Includes IEC and ANSI symbols for engineering. Add circuit breakers, switches, fuses, and other components. Save and export .


Electronic Circuits Calc Pro
ALG Software Lab SIA
Calculate , analyze components, design layouts
Calculate electrical values using over 130 circuit calculators. Analyze resistor, capacitor, and inductor values. View component datasheets and circuit diagrams. Convert units and solve Ohm's law problems.

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 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.


Physics Lab AR
Turtle Sim LLC
Explore concepts and share ideas
Explore concepts through interactive experiments in a virtual lab. Conduct simulations, manipulate variables, and observe outcomes. Use AR mode to visualize phenomena in real-world environments. Share findings and collaborate with others.






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.

Ugly's Electrical References
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.


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