Best apps like VoltRef Pro: Electrician Code

10+ similar apps compared and reviewed

4.7 avg rating
10 free apps
Updated October 2026

VoltRef Pro is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to VoltRef Pro

NEC Load Calculator#1

NEC Load Calculator by V PUGAZHENTHI

Residential, Commercial, Panel
Editor's Choice
🔧 Utilities
5.0(3 ratings)
FreeIn-App Purchases
NEC Load Calculator screenshot 1
NEC Load Calculator screenshot 2
NEC Load Calculator screenshot 3
NEC Load Calculator screenshot 4
NEC Load Calculator screenshot 5
NEC Load Calculator screenshot 6

This app performs electrical load calculations based on the NEC 2023 code. It offers modules for residential, commercial, motor, and branch circuit calculations, along with panel scheduling and PDF export. Designed for licensed electricians and contractors.

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NEC Box & Conduit Calc
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NEC Tools for Electricians
Free

Calculate electrical box and conduit fill accurately according to the NEC. This app provides instant, reliable calculations for electricians, contractors, and students, saving time on job sites. It offers support for various box and conduit types, conductor sizes, and includes wire volume data.

Box fill calculationsConduit fill calculationsWire volume data
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Jamf Unlock
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Unlock your Mac without a password using your mobile device. This app generates identity credentials and pairs with your Mac for seamless authentication for unlocking, system settings, and root commands.

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# Simple CheckTable
# Simple CheckTable
# Simple CheckTable
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Create flexible checklists in a user-friendly tabular format, similar to spreadsheets. Supports rich expressions like colors, images, links, and task progress. Easily manage tasks, schedules, inventories, and more.

Tabular checklist creationSupports colors, images, and linksTask progress tracking
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WireGo
WireGo
WireGo
Circuit Simulator
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This app provides a realistic electrical circuit simulation experience for learning and design. It features an extensive component library, intuitive drag-and-drop controls, and smart error detection for both household and industrial circuits. Learn, design, and test circuits safely and efficiently on your mobile device.

Real-time component simulationDrag-and-drop circuit designExtensive component library (100+ items)
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(9)
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9
Southwire® Voltage Drop Calc
Southwire® Voltage Drop Calc
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Southwire Calculator
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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
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10
HONEYWHALE
HONEYWHALE
HONEYWHALE
by SHENZHEN MINZHUO TECHNOLOGY CO., LTD.
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This app enhances your cycling experience with intelligent Bluetooth control for your bike's information. It offers multiple functions, online firmware upgrades for new features, and enables keyless cycling for smarter travel.

One-click Bluetooth bindingIntelligent car information controlMultiple function selection
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(0)
free