Best Voltage Divider Apps

169+ iOS apps curated and reviewed

4.2 avg rating
16 free apps
Updated May 2026

Every iPhone needs a few good voltage divider apps. We benchmark 169+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Voltage Divider

Voltage Divider#2

Voltage Divider by Ditty Labs, LLC

Strong Contender
🔧 Utilities
2.7(3 ratings)
$1.99
Voltage Divider screenshot 1
Voltage Divider screenshot 2
Voltage Divider screenshot 3

This engineering utility calculates unknown values in a voltage divider circuit. It can solve for voltages or resistor values, displaying ideal and actual resistor options. It also shows current, power, and voltage tolerance.

Resistor Tools#3

Resistor Tools by Siu Yuen Ho

Worth Considering
🔧 Utilities
5.0(10 ratings)
FreeIn-App Purchases
Resistor Tools screenshot 1
Resistor Tools screenshot 2
Resistor Tools screenshot 3
Resistor Tools screenshot 4
Resistor Tools screenshot 5
Resistor Tools screenshot 6

This app is a collection of resistor calculators for hobbyists and electronic engineers, offering various tools to calculate resistance, voltage divider ratios, and amplifier gains. With this app, users can perform calculations and save combination values, making it a handy tool for electronic design and development.

More Voltage Divider apps to explore

4
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
Southwire Calculator
Free

Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.

Determine wire size for voltage dropCalculate voltage drop for conductor runsLimit wire size by voltage drop
🔧 Utilities
(1.5K)
free
5
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
🔧 Utilities
(1.3K)
free with in-app purchases
6
Prysmian Group Voltage Drop
Prysmian Group Voltage Drop
Prysmian Group Voltage Drop
by Prysmian S.p.A.
Free

Calculate maximum circuit distance and minimum conductor size for required voltage drop. Designed for electrical professionals, it provides detailed information on conductor size, voltage loss, and amperage based on NEC standards.

Calculate Maximum Circuit DistanceDetermine Minimum Conductor SizeView Actual Voltage Loss
📊 Productivity
(6)
free
7
Electrical Calculations
Electrical Calculations
Electrical Calculations
by Egal Net di Ettore Gallina
Free

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

Wire size and voltage drop calculationsPower, current, and resistance calculationsMotor performance and connection diagrams
📊 Productivity
(125)
free with in-app purchases
8
Electrician's Sidekick
Electrician's Sidekick
Electrician's Sidekick
by IDEAL INDUSTRIES, INC
Free

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

Conduit bending calculatorWire sizing and voltage drop calculatorConduit fill calculator
📊 Productivity
(16)
free
9
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing
🔧 Utilities
(67)
free with in-app purchases
10
Electrical Calculator Plus
Electrical Calculator Plus
Electrical Calculator Plus
by Inch Calculator
Free

This app offers a comprehensive suite of 26 electrical and electronics calculators and converters. It helps users compute various electrical properties, including Ohm's Law, current, power, voltage, and resistance. It also features tools for wire ampacity, voltage drop, and LED resistor calculations.

26 electrical calculatorsOhm's Law calculatorCurrent and power calculators (DC/AC)
🔧 Utilities
(15)
ad-supported
11
Electronics Engineer Helper
Electronics Engineer Helper
Electronics Engineer Helper
Calculators and references
Free

This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.

Datasheet searchResistor color code calculatorElectronic schematic symbols
📊 Productivity
(427)
free with in-app purchases
12
Electrical Engineering - lite
Electrical Engineering - lite
Electrical Engineering - lite
60 calculations with circuits
Free

This app offers a comprehensive suite of electrical calculations and conversions for professionals and students. It handles diverse units and provides precise results for various electrical engineering tasks, including voltage, current, power, and more.

60 Electrical Calculators16 Electrical ConvertersVoltage, Current, Resistance, Power calculations
📚 Education
(248)
free with in-app purchases
13
Electrician's Helper
Electrician's Helper
Electrician's Helper
by Sam Virgillo
$12.99

This app simplifies electrical work by providing quick access to electrical codes and performing complex calculations for installations. It helps electricians find conductor ampacity, calculate voltage drop, determine box fill, and size raceways, among many other essential functions.

3 phase delta and wye circuit calculationsConductor ampacity lookup (NEC/CEC)Voltage drop calculation
📊 Productivity
(13)
paid
14
CircuitShepherd
CircuitShepherd
CircuitShepherd
electronic circuit optimizer
Free

Automate electronic circuit design with AI-driven parameter optimization. Define schematics and design goals, and the software finds optimal part values in real-time. Save time on calculations and iterations with this intuitive tool.

Automated parameter optimizationAI-driven circuit engineeringReal-time design goal finding
📊 Productivity
(2)
free with in-app purchases
15
Electronics docs & calcs
Electronics docs & calcs
Electronics docs & calcs
Electronics lab in your pocket
Free

This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.

Electronic component referenceElectronic circuit referenceFilter design calculators
📚 Education
(13)
free
16
Basic Electronic Calculator
Basic Electronic Calculator
Basic Electronic Calculator
by Gergely Nagy
Free

Calculate voltage, current, resistance, and electric power. Input any two values to automatically determine the missing ones. Supports both normal and scientific notation for calculated results.

Voltage calculationCurrent calculationResistance calculation
🔧 Utilities
(2)
free
17
Electronics Toolkit!
Electronics Toolkit!
Electronics Toolkit!
Dozens of tools in one app
Free

This app provides a comprehensive suite of tools and calculators for electronics engineers, students, and hobbyists. It includes numerous calculators for resistors, LEDs, capacitors, Ohm's law, and more, alongside useful tables and unit converters.

Resistor color code calculatorsLED resistor calculatorOhm's law calculator
📚 Education
(507)
free with in-app purchases
18
Voltage Divider Calc
Voltage Divider Calc
Voltage Divider Calc
Resistor Divider Circuits
$2.99
🔧 Utilities
(0)
19
Electrical Calculator
Electrical Calculator
Electrical Calculator
Electrical Tools & Formulas
$3.99

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

Over 65 electrical calculation toolsResistor color code calculatorsUpgraded voltage drop calculations
🔧 Utilities
(462)
free
20
Long division + Multiplication
Long division + Multiplication
Long division + Multiplication
by Andrei Brusentsov
Free

This educational calculator assists with fundamental arithmetic operations, including long division, multiplication, addition, and subtraction. It's designed to help students verify their homework and understand complex calculations like division with remainders and repeating decimals.

Long division with remaindersLong multiplicationLong subtraction
📚 Education
(230)
free

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