Best Generac Field Pro alternatives: apps like Generac Field Pro

10+ similar apps compared and reviewed

3.7 avg rating
10 free apps
Updated November 2026
Generac Field Pro
Generac Field Pro
Generac Power Systems, Inc.

Generac Field 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 Generac Field Pro

Mike Holt's Electrical Toolbox#1

Mike Holt's Electrical Toolbox by Mike Holt Enterprises

Electrical Power Calculator
Editor's Choice
🔧 Utilities
4.6😐(198 ratings)
Free
Mike Holt's Electrical Toolbox screenshot 1
Mike Holt's Electrical Toolbox screenshot 2
Mike Holt's Electrical Toolbox screenshot 3
Mike Holt's Electrical Toolbox screenshot 4

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.

What We Love

  • 👍 Great app for electricians
  • 💡 Provides code article references
  • 👍 Useful for on-the-spot reference
  • 👍 Excellent for verifying calculations
  • 👍 Helpful for exam preparation
  • 👍 Simplifies the trade
  • 👍 Great jobsite resource
  • 👍 Handy tool for electricians
  • 👍 Teaches code in an advanced way
  • 👍 Free app with needed features
  • 👍 Helps size A/C circuits correctly
  • 👍 American made

Room to Improve

  • 🐛 Emailing results not working
  • 🐛 Outdated information
  • 🐛 Load calc a little clunky
  • 🐛 Content setup needs overhaul
  • 🐛 Video series lacks completion system
  • 🐛 Bug with widescreen video exit
  • 🐛 Not user-friendly
  • 🐛 Outdated app needs refinement
  • 🐛 Previous calculation data not erased
  • 🐛 App is straight garbage (paid)
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
  • 👍 Electrical Engineer
  • 👍 Awesome app
  • 👍 Safer
  • 👍 Useful
  • 👍 Handy
  • 👍 Great App
  • 👍 Dependable app
  • 👍 Electrician tech
  • 👍 Solid and simple to use app
  • 👍 Great app

Room to Improve

  • 🐛 Motor starting Voltage drop
  • 🐛 Useless!
  • 🐛 Won't work
  • 🐛 How to use
  • 🐛 Confused
  • 🐛 Bad app
  • 🐛 Bad
  • 🐛 Not applicable for Residential
  • 🐛 Electrician
  • 🐛 Terrible
  • 🐛 Not working
  • 🐛 What??
  • 🐛 Terrible
  • 🐛 Don't work
  • 🐛 Terrible
  • 🐛 Choice Between AWG and Metric wire Gauge
  • 🐛 Updated app not so simple
  • 🐛 The last version was better
  • 🐛 App
  • 🐛 Terrible
  • 🐛 Voltage drop calculator
  • 🐛 IOS 8
  • 🐛 One flaw
  • 🐛 Worst app ever
  • 🐛 Average
4.5😊(773 ratings)
Free
Southwire® Conduit Fill Calc screenshot 1
Southwire® Conduit Fill Calc screenshot 2
Southwire® Conduit Fill Calc screenshot 3

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.

What We Love

  • 🚀 Quick and easy calculations
  • 👍 User-friendly interface with spin wheel controls
  • 📊 Shows actual fill percentage and NEC compliance
  • 🔧 Ability to add multiple wire sizes simultaneously
  • 💾 Customizable wire data entry
  • ⚡ Saves significant time on job sites
  • 🎯 Accurate calculations (when working properly)
  • 📱 Convenient mobile access to conduit fill information

Room to Improve

  • ⚠️ Accuracy issues reported by multiple users
  • ❌ Limited wire gauge options (missing 16 & 18 AWG)
  • 🔄 Changing conduit type erases conduit size
  • 📉 Jam probability calculations unreliable
  • 🗑️ No data persistence between calculations
  • 🐛 Blank screen crashes on older versions
  • ⚠️ Discrepancies with NEC standards calculations

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Elevated installer experience.
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ServiceTitan Field
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KOHLER Energy Management
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Monitor your home's backup power system remotely. Schedule generator tests, view historical logs, and track maintenance records. Access support directly through the app for peace of mind.

Remote generator controlSchedule exercise cyclesAccess historical logs
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ServiceTitan Mobile
ServiceTitan Mobile
ServiceTitan Mobile
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Free

This app empowers plumbing, HVAC, and electrical contractors to enhance customer interactions and boost sales. It provides tools for dispatching, estimating, payment collection, and presenting options, streamlining technician workflows for improved business outcomes.

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FranklinWH
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Monitor and control your home energy system remotely. Track solar, grid, battery, and generator supply, alongside home electricity consumption. Optimize usage patterns and manage smart devices for energy savings.

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10
Fault Current Calculator
Fault Current Calculator
Fault Current Calculator
by Cooper Bussmann, LLC
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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.

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freemium