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.
by David White★ 4.028 ratingsUtilitiesFreeData updated 2026-09-06
Electrohelper allows users to access references for electronic components and circuits. It includes tools for calculating various filters like Butterworth, Sallen-Key, Chebychev, and Bessel. Users can view component details and circuit diagrams.
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Calculate circuits, convert units, test experiments
Solve electrical problems by calculating voltage, current, and resistance. Input values to determine unknown variables. Perform unit conversions and conduct experiments. Store and retrieve calculation results.
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ElecKit provides tools for calculations. Users can calculate resistor values with 4/5 band codes and tolerance. It includes Ohm’s Law functions for voltage, current, resistance, and power.
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
Learn boolean algebra and digital circuit concepts through interactive logic gate puzzles. Build and test circuits using AND, OR, XOR gates, and other components. Unlock advanced elements and create custom circuits in Playground Mode.