Best Voltage Drop Pro Apps

140+ iOS apps curated and reviewed

4.4 avg rating
14 free apps
Updated June 2026

Looking for free voltage drop pro apps? 14 of our 140+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Voltage Drop Pro

Southwire® Voltage Drop Calc#2

Southwire® Voltage Drop Calc by Southwire Company

Southwire Calculator
Strong Contender
🔧 Utilities
4.6😐(1.5K ratings)
Free
Southwire® Voltage Drop Calc screenshot 1
Southwire® Voltage Drop Calc screenshot 2
Southwire® Voltage Drop Calc screenshot 3
Southwire® Voltage Drop Calc screenshot 4
Southwire® Voltage Drop Calc screenshot 5
Southwire® Voltage Drop Calc screenshot 6

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.

What We Love

  • 🚀 Quick and useful
  • 🚀 Great Quick Reference
  • 👍 A must have app for electricians
  • 👍 Love These

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work
Prysmian Group Voltage Drop#3

Prysmian Group Voltage Drop by Prysmian Group

Worth Considering
📊 Productivity
5.0(6 ratings)
Free
Prysmian Group Voltage Drop screenshot 1
Prysmian Group Voltage Drop screenshot 2
Prysmian Group Voltage Drop screenshot 3
Prysmian Group Voltage Drop screenshot 4
Prysmian Group Voltage Drop screenshot 5

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.

More Voltage Drop Pro apps to explore

4
FieldCalc - Voltage Drop Pro
FieldCalc - Voltage Drop Pro
FieldCalc - Voltage Drop Pro
by XLWonder Solutions INC.
$3.99
🔧 Utilities
(0)
5
Voltage Drop Calculator.
Voltage Drop Calculator.
Voltage Drop Calculator.
Wire Size, NEC & IEC Tools
Free

Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.

NEC and IEC dual standardsVoltage drop and wire sizing calculationsSupport for continuous load and corrections
🔧 Utilities
(411)
free with in-app purchases
6
WCW Voltage Drop Calculator
WCW Voltage Drop Calculator
WCW Voltage Drop Calculator
Windy City Wire
Free

Calculate electrical circuit voltage drop quickly and accurately. Input circuit details like conductor material, wire size, voltage, phase, length, and load to determine voltage drop, percentage drop, and end-circuit voltage for efficient and safe installations.

Calculate voltage dropDetermine percentage voltage dropCalculate voltage at end of circuit
🔧 Utilities
(2)
free
7
WireSizer - DC Voltage Drop
WireSizer - DC Voltage Drop
WireSizer - DC Voltage Drop
DC Wire Size Calculator
$4.99

This app quickly calculates the correct DC wire gauge needed for any circuit. Simply input voltage, current, and length to determine the optimal wire size, considering voltage drop and ampacity limits. It's suitable for various DC systems up to 60 VDC.

Instant DC wire size calculationVoltage drop percentage selectionAmpacity limit checks
🔧 Utilities
(224)
paid
8
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
9
Voltage Drop & Wire Size
Voltage Drop & Wire Size
Voltage Drop & Wire Size
NEC, Metric & Ampacity
Free
🔧 Utilities
(0)
10
FieldCalc - Voltage Drop Lite
FieldCalc - Voltage Drop Lite
FieldCalc - Voltage Drop Lite
Electrician Voltage Calculator
Free
🔧 Utilities
(0)
11
VDrop
VDrop
VDrop
600V and Less
Free

This utility calculates voltage drop for electrical systems up to 600V. It provides detailed calculation outputs to help users verify results and build confidence in their electrical work. Custom voltage inputs are supported.

Voltage drop calculationsSupports up to 600VCustom voltage input
🔧 Utilities
(3)
free
12
The Voltage Drop Calc
The Voltage Drop Calc
The Voltage Drop Calc
Voltage Drop Calulator & Tools
Free
🔍 Reference
(0)
13
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
14
ElectriCalc Pro
ElectriCalc Pro
ElectriCalc Pro
Electrician NEC Calculator
Free
$29.99 | 100% OFF

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

NEC compliant calculationsWire and conduit sizingVoltage drop calculations
🔧 Utilities
(256)
free with in-app purchases
15
Voltage Drop Calculators
Voltage Drop Calculators
Voltage Drop Calculators
Voltage Drop Calculations
$3.99

This tool helps electrical professionals and students perform quick and accurate voltage drop calculations. It features a user-friendly interface, a material database, and the ability to save circuit details for efficient system design and compliance.

Fast voltage drop calculationsBuilt-in material databaseCustom material support
📊 Productivity
(2)
paid
16
Voltage Divider
Voltage Divider
Voltage Divider
by Ditty Labs, LLC
$1.99

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.

Solves for Vin, Vout, R1, or R2Resistor picker with actual valuesDisplays ideal resistor value
🔧 Utilities
(3)
paid
17
Drop'N Volts
Drop'N Volts
Drop'N Volts
Voltage Drop
$0.99

This app calculates the minimum conductor size needed for electrical installations. It accounts for load, distance, material, and phase, with options for multiple conductors, insulation types, and conduit materials. Results can be emailed for documentation.

Voltage drop calculationConductor sizingSingle and three-phase support
📊 Productivity
(1)
paid
18
Perfboard
Perfboard
Perfboard
by Soft Dorothy LLC
Free

This reference app provides essential tools for electronics hobbyists. Calculate resistor and capacitor values, determine LED voltage drops, and access an ASCII table. It features a user-friendly interface and supports various iPhone models.

Resistor color band utilityResistor and capacitor calculatorsVoltage divider calculator
🔍 Reference
(6)
free with in-app purchases
19
Electrician Handy Tool
Electrician Handy Tool
Electrician Handy Tool
All in one electricians tools
Free

This app provides electricians with essential tools for conduit bending, calculations, and quick reference. It simplifies electrical work with features like voltage drop calculation and a user-friendly fraction calculator.

Voltage drop calculatorConduit bending calculatorFraction calculator
📊 Productivity
(21)
free with in-app purchases
20
Voltage Regulator
Voltage Regulator
Voltage Regulator
by Siu Yuen Ho
Free

Calculate resistor combinations for adjustable voltage regulators. This tool helps electronics hobbyists and professionals determine desired output voltages and resistor values. Results can be exported and shared easily.

Adjustable voltage regulator supportCalculate resistor combinationsDetermine resistor values
📚 Education
(4)
freemium

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