Best Kopperfield alternatives: apps like Kopperfield

10+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated November 2026

Looking for something like Kopperfield? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Kopperfield

Electrical Toolkit by HCP#1

Electrical Toolkit by HCP by Codefied Inc.

Conduit + load calcs for pros
Editor's Choice
๐Ÿ”ง Utilities
4.6(78 ratings)
Free
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This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.

Span Installer#2

Span Installer by Span.io, Inc

Commission Span Panels
Strong Contender
๐Ÿ”ง Utilities
3.3(15 ratings)
Free
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This app streamlines the installation and servicing of new and existing SPAN panels. It offers enhanced navigation, an improved breaker labeling process, and integrated troubleshooting support. Users can also confirm communications with battery systems and program setpoints for energy management.

ElectriCalc Pro#3

ElectriCalc Pro by Calculated Industries

Electrician NEC Calculator
Worth Considering
๐Ÿ”ง Utilities
4.9๐Ÿ˜Š(369 ratings)
FreeIn-App Purchases
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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.

What We Love

  • ๐Ÿ‘ Great app overall
  • ๐Ÿ‘ Excellent electrical engineering application
  • ๐Ÿ‘ Great tool for engineering teams
  • ๐Ÿ‘ Useful in daily work activities
  • ๐Ÿ‘ Continuously improving with new functions
  • ๐Ÿ‘ Major help for electricians
  • ๐Ÿ‘ Useful tool
  • ๐Ÿ‘ Good tool
  • ๐Ÿ‘ Best electrical calculator ever
  • ๐Ÿ‘ Great fast tool for electrical designs
  • ๐Ÿ‘ Highly recommended for on-the-fly calculations
  • ๐Ÿ‘ Fantastic tool for low-voltage projects
  • ๐Ÿ‘ Best calculator for electricians
  • ๐Ÿ‘ Indispensable for electrical professionals
  • ๐Ÿ‘ Perfect app
  • ๐Ÿ‘ Great app for job and home use
  • ๐Ÿ‘ Well worth the price
  • ๐Ÿ‘ Saves time
  • ๐Ÿ‘ Solves client issues on the spot
  • ๐Ÿ‘ Operates like the handheld device
  • ๐Ÿ‘ Calculates voltage drop, amperage, conduit, and wire size
  • ๐Ÿ‘ Great support

Room to Improve

  • ๐Ÿ‘Ž Recurring costs are disliked
  • ๐Ÿ‘Ž Not worth it if you have the actual calculator
  • ๐Ÿ‘Ž App should include current NEC
  • ๐Ÿ‘Ž High cost for difficulty of use
  • ๐Ÿ‘Ž No longer works after iOS update
  • ๐Ÿ‘Ž Problem with HP calculations
  • ๐Ÿ‘Ž Issue with conduit size calculation
  • ๐Ÿ‘Ž Wire size calculation crashes app
  • ๐Ÿ‘Ž Interface not retina display optimized (older reviews)

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4
Breaker Box: Panel Directory
Breaker Box: Panel Directory
Breaker Box: Panel Directory
Circuit labels & printable PDF
Free

Easily label and document every circuit in your electrical panel. Assign notes, rooms, and fixtures to breakers, and generate printable PDF legends for quick identification. Supports multi-panel management and cloud sync for data safety.

Label circuits with notes, rooms, and fixturesSupports tandem splits, multi-pole, GFCI, and HACROrganize circuits by room and linked fixtures
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5
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

Conductor sizingVoltage drop limitationsCircuit protection sizing
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6
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
NEC, Conduit, Voltage Drop
Free

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NECยฎ 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
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7
Building Wire Selector
Building Wire Selector
Building Wire Selector
Southwire Calculator
Free

This tool helps determine the correct conductor size and wire type for electrical installations. It adheres to the National Electrical Codeยฎ wiring methods, ensuring compliance and safety.

Conductor size determinationWire and cable type selectionNational Electrical Code compliance
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8
Fault Current Calculator
Fault Current Calculator
Fault Current Calculator
by Cooper Bussmann, LLC
Free

This tool helps contractors, engineers, and electricians quickly calculate available fault current on single and three-phase electrical systems. It also assists in sizing fuses and conductors for various circuits and can generate labels for service equipment.

Calculate available fault currentSize fuses and conductorsGenerate service equipment labels
๐Ÿ”ง Utilities
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9
Southwireยฎ Voltage Drop Calc
Southwireยฎ Voltage Drop Calc
Southwireยฎ 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
๐Ÿ”ง Utilities
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free
10
Southwireยฎ Conduit Fill Calc
Southwireยฎ Conduit Fill Calc
Southwireยฎ Conduit Fill Calc
by Southwire Company
Free

This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.

Conduit size calculationNEC fill percentagesJam probability
๐Ÿ”ง Utilities
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