Simple Circuit Builder app icon

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

Simple Circuit Builder screenshots

Ranked alternatives

Showing 41–60 of 1,000 ranked alternatives.

  1. Resistor color code calc app icon

    Resistor color code calc

    Seong Eon Kim

    Calculate value by bands

    Calculator determines resistance value based on colored bands. Users select band count and for each band. The displays the resistance value and visual representation of selected colors. Helps configure electronics projects.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-06
  1. Resistance Color Calculator app icon

    Resistance Color Calculator

    Fabian Schiller

    Select resistor colors and get value instantly

    Determine resistor values by selecting ring colors and number of rings. Choose orientation with the larger gap on the right. Receive value, tolerance, and other details.

    ★ 4.983 ratingsUtilitiesFreeData updated 2026-09-06
  2. Tinkercad app icon

    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.

    ★ 4.615,666 ratingsEducationFreeData updated 2026-09-06
  3. Southwire® Voltage Drop Calc app icon

    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.

    ★ 4.61,480 ratingsUtilitiesFreeData updated 2026-09-08
  4. Watts Amps Volts  Calculator app icon

    Watts Amps Volts Calculator

    Pro Certs Software Ltd

    Calculate , , and

    Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.

    ★ 4.450 ratingsUtilitiesFreeData updated 2026-09-08
  5. Resistor Calculator 4-Band app icon

    Resistor Calculator 4-Band

    Max Kievits

    Calculate values instantly

    Calculate values by selecting color bands. Display resistance, tolerance, and temperature coefficient. Visualize bands with interactive color selection.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  6. Electrical Engineering - lite app icon

    Electrical Engineering - lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.

    ★ 4.7252 ratingsEducationFreeData updated 2026-09-09
  7. ID Resistors app icon

    ID Resistors

    Marc Rummel

    Enter resistor code or value to get

    Identify resistor values by entering code or value. Support for through-hole and SMD . Provide resistor color codes and numerical values. Available in English, French, German, and Spanish.

    ★ 4.929 ratingsEducationFreeData updated 2026-09-06
  8. Electronic Toolbox Pro app icon

    Electronic Toolbox Pro

    Marcus Roskosch

    Edit schematics, calculate values, and test circuits

    Manage components with a database of resistors, capacitors, and diodes. Calculate circuit values using Ohm’s Law and power formulas. Access schematics, datasheets, and component symbols. Convert units and view component ratings.

    ★ 4.7245 ratingsProductivity$12.99Data updated 2026-09-08

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.