Ohmulator app icon

Apps Like Ohmulator for iPhone and iPad

Calculate electric circuits using Ohm's Law.

The app calculates unknown circuit variables using Ohm's Law. It allows users to adjust unit types for input and output values without prior conversion.

by Armchair Engineering★ 0.00 ratingsUtilities$0.99Data updated 2026-09-20

Ohmulator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Ohmulator app icon

    Ohmulator

    Armchair Engineering

    Calculate voltage, current, and resistance

    Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.

    ★ 4.779 ratingsUtilities$0.99Data updated 2026-09-08
  2. Ohms Law Calc. app icon

    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.

    ★ 4.71,326 ratingsUtilitiesFreeData updated 2026-09-08
  3. Electrical Calculator app icon

    Electrical Calculator

    V PUGAZHENTHI

    Calculate values instantly

    Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.

    ★ 4.6462 ratingsUtilities$3.99Data updated 2026-09-08
  1. Electronics Engineer Helper app icon

    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.

    ★ 4.8435 ratingsProductivityFreeData updated 2026-09-09
  2. Electronics Toolkit! app icon

    Electronics Toolkit!

    Electronial

    Calculate resistor values by color

    Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.

    ★ 4.3556 ratingsEducationFreeData updated 2026-09-14
  3. Scientific Calculator Plus 991 app icon

    Scientific Calculator Plus 991

    Tran Duy

    Calculate, graph, convert, solve

    Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

    ★ 4.712,406 ratingsEducationFreeData updated 2026-09-16
  4. Electrical Calculator lite app icon

    Electrical Calculator lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.

    ★ 4.6575 ratingsUtilitiesFreeData updated 2026-09-09
  5. Circuit Playground app icon

    Circuit Playground

    Adafruit Industries LLC

    Calculate component values and resistor codes

    Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.

    ★ 4.319 ratingsUtilities$2.99Data updated 2026-09-08
  6. Electrical Calc Elite app icon

    Electrical Calc Elite

    Cyberprodigy LLC

    Calculate loads and circuits

    Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.

    ★ 4.8126 ratingsUtilities$19.99Data updated 2026-09-08
  7. Calculator ∞ app icon

    Calculator ∞

    An Truong

    Calculate, graph, and solve equations

    Solve equations, perform algebraic calculations, and graph functions. Support for multiple models including TI-83, TI-84, TI-89, Casio FX, and Sharp EL. Includes a scientific , fraction simplifier, and unit converter.

    ★ 4.76,384 ratingsEducation$5.99Data updated 2026-10-24
  8. 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
  9. Ohm & Watt Law Electrical Calc app icon

    Ohm & Watt Law Electrical Calc

    TrothMatrix OPC Private Limited

    Calculate voltage, current, resistance, and power

    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.

    ★ 4.752 ratingsUtilitiesFreeData updated 2026-09-17
  10. 2017 Master Electrician Ref. app icon

    2017 Master Electrician Ref.

    PawEng, LLC

    Access electrical codes and standards

    Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.

    ★ 4.71,266 ratingsProductivity$9.99Data updated 2026-10-24
  11. ElectriCalc Pro app icon

    ElectriCalc Pro

    Calculated Industries, Inc.

    Calculate and document electrical work safely

    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.

    ★ 4.9357 ratingsUtilitiesFreeData updated 2026-09-08
  12. iSlipstick app icon

    iSlipstick

    Sam Virgillo

    Electronic formula calculators and value converters.

    The app provides electronic formula calculators and value converters. It includes Ohm's law, Op-Amp gain, LC circuit, impedance, and resistor calculators, along with metric and imperial unit conversions.

    ★ 5.03 ratingsProductivityFreeData updated 2026-09-11
  13. Amateur Radio Toolkit app icon

    Amateur Radio Toolkit

    Electronial

    Calculate coordinates and grid squares for projects

    Offers calculators for designing radios and antennas. Users can find latitude and longitude from a maidenhead square or vice versa. Calculate distances between squares. Convert units. Locate current position.

    ★ 4.0367 ratingsEducationFreeData updated 2026-09-14
  14. Ohm's Law app icon

    Ohm's Law

    Creature Code Mobile, LLC

    Calculate voltage, current, and resistance

    Calculate electrical values using . Input voltage, current, or resistance to find missing variables. Supports calculations for series and parallel circuits. Includes unit conversion for volts, amps, and ohms.

    ★ 4.7170 ratingsUtilitiesFreeData updated 2026-09-08
  15. Ugly's Electrical References app icon

    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.

    ★ 4.41,510 ratingsProductivity$12.99Data updated 2026-10-25
  16. OneCalc: All-in-one Calculator app icon

    OneCalc: All-in-one Calculator

    tasser gyati

    Calculate, convert, and solve equations

    Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.

    ★ 4.65,075 ratingsProductivityFreeData updated 2026-09-14

How we rank alternatives

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