15 Best Electrician Apps to Boost Productivity in 2026

Today’s electricians, office staff, and business owners rely on an ever-growing list of mobile apps for everything from wiring diagrams and code references to invoicing, scheduling, dispatching, and accounting. They also use voltage drop calculators, training apps, project management tools, and specialized electrical software—each designed to solve a specific problem.

These tools usually prove easier and more accurate than juggling paper manuals, spreadsheets, or handheld calculators. Yet the flood of standalone apps often pushes electrical businesses to bounce between disconnected platforms. 

Techs check one app for wire sizes, another for invoicing, another for financing, and yet another for work orders or scheduling. Meanwhile, the office taps into a separate system for accounting, CRM, or payroll—leading to siloed data, duplicated work, and slow decision-making.

In this guide, we highlight some of the best electrician apps in 2026 across multiple categories, with a focus on tools electricians actually use in the field. Then, we explain when it makes sense to move beyond single-purpose apps and adopt an all-in-one field service management platform that streamlines your workflow, automates key tasks, and eliminates the inefficiencies of disconnected software.

15 Best Electrician Apps in 2026

• Calculator Apps

  • Electrodoc Pro

  • Electrical Calc Elite

  • Southwire

  • Voltage Drop Calculator

• Reference & Training Apps

  • Master Electrician Reference

  • Ugly’s Electrical References

  • Electrician’s Bible

  • Electrician’s Handbook

• Utility & Tools Apps

  • EveryCircuit

  • Electrician Handy Tool

  • Electrical Apps

• Estimating & Invoicing Apps

  • Joist

  • Housecall Pro

  • QuickBooks

• All-in-One Electrician App

  • ServiceTitan

Calculator Apps

1. Electrodoc Pro ($4.99) iOS / Android

Electrodoc Pro (formerly ElectroDroid Pro) lets electricians do complex calculations on the go instead of consulting multiple different reference manuals, then manually punching formulas into a scientific calculator.

As the most established and comprehensive electrical calculator app on the market, Electrodoc ranks among the best apps for electricians because it provides a powerful toolkit of calculators for all types of electronic applications.

The main features include:

• Resistor color code

• Voltage dividers

• Decibel converter

• Frequency converter

• Capacitor charge calculator

2. Electrical Calc Elite ($19.99) iOS / Android 

This powerful calculator app helps electrical professionals solve common electrical calculations quickly and accurately based on the NEC (National Electric Codes). 

Highly rated by users, Electrical Calc Elite includes NEC tables compliant with 2020, 2017, 2014, 2011, 2008, 2005, 2002, and 1999 NEC. NEC 2023 available as an in-app purchase.

Electrical calculations include:

• Voltage Drop on Wires

• Conduit Sizing

• Ohm's Law

• Fuse and Breaker Sizes

• Electrical Unit conversion

• And more

3. Southwire Conduit Fill Calc (Free) iOS / Android 

Southwire’s conduit fill app is designed to help electricians, engineers, and contractors quickly determine the correct conduit size in line with NEC guidelines. It eliminates the need for manual calculations or constant reference to the NEC book by instantly providing conduit fill percentages and jam probability.

With simple navigation, users enter the conduit type, size, and conductors, and the app automatically calculates compliant results. Results can be shared by email with a single click, making it a fast, reliable tool for accurate planning and on-the-job decision-making.

4. Voltage Drop Calculator (Free) iOS / Android

The free Voltage Drop Calculator app does exactly what its name suggests. It’s a simple app that allows you to quickly calculate the voltage drop for a selected conductor size and type. The calculations are based on the wire size, wire type, distance, and anticipated load current.

This app also calculates:

• Voltage Drop Percentage

• Wire Resistance 

• End Voltage

Users report that the app is quick and easy to use with plenty of variables to choose from.

Reference & Training Apps

5. Master Electrician Reference ($9.99) iOS 

Many electricians consider the Master Electrician Reference (MER) to be the best electrician service app on the market. Widely used by engineers, mechanics, and electricians, MER is specifically designed for professionals who perform residential, commercial, and industrial electrical work.

This electrician service app offers a wealth of information, presented with comprehensive and clearly designed formulas, tables, charts, and pictures. Its handy search functionality makes it easy to find the facts you need without thumbing through pages of irrelevant information. It even includes a scientific calculator, allowing you to directly apply on-page formulas instead of working out sums manually.

6. Ugly’s Electrical References ($12.99) iOS / Android

This electrician service app features at least 12 calculators, video tutorials, and more. It offers HD images and interactive tables, allowing users to zoom in for better detail.

Other popular features include an Ohm’s Law Calculator, NEMA (National Electrical Manufacturers Association) wiring configurations, and conversions for area, length, temperature, time, volume, and weight. You can reference the 2023 version of Ugly’s Electrical References eBook through the app as well.

This is a must-have for those who want a digital version of the Ugly’s Electrical References book on-the-go.

7. Electrician’s Bible ($2.99) Android

Electrician’s Bible is a must have app for electricians, electrical contractors or those looking to pass an electrical certification. The app offers a guide for NEC tables, calculations, and symbol reference.

It includes NEC calculations (2020 code), an electrical symbol guide, units converter, and torque specs for lugs and bolts. It’s available on Android only. 

8. Electrician’s Handbook (Free + Paid Plans) Android 

The Electrician’s Handbook app is available as an Android app only and is a comprehensive on-the-go resource for electricians and students wanting to master the fundamentals of electrical engineering. 

The app offers over 55 concise articles and covers four main areas:

• Theory: Detailed information on all things electrical including safety devices, Ohm’s law, electronic symbols, plus instructions for installing and repairing electrical switches and sockets.

• Electrical wiring diagrams: For various appliances (e.g. switches and sockets). These provide a visual learning experience to understand how they work.

• Calculators: Access seven helpful calculators including electrical formula calculators and Ohm’s law calculator.

• Tests: Test your knowledge by trying out the in-app tests.

This app is useful for anyone who wants to improve or refresh their knowledge in the field of electrical engineering.

Utility & Tools Apps

9. EveryCircuit (Free + Paid Plans) iOS / Android

Not only does the EveryCircuit app make it effortless to prototype, test and debug circuits, it also allows you to visualize how each component of the electrical circuit works, superbly illustrated with interactive graphs. With this app, you can build any circuit, tap the play button, and watch dynamic voltage, current, and charge animations.

For example, if you switch to the AC mode, the app displays the sinusoidal voltage and current phase over time, giving you an instinctive “sense” for when someone turns on a given lightbulb, relative to the activation of other components in the circuit.

At any time, you can also adjust various circuit parameters while the simulation runs and see the effect on the circuit in real time. This, combined with the responsive touchscreen interface, almost makes it feel like you’re building a circuit by hand.

There is a free version of this app, but the full version allows you to build and simulate large circuits, save an unlimited number of circuits, store them in the cloud, and sync between your devices.

10. Electrician Handy Tool (Free) iOS 

Electrician Handy Tool is exactly what its name states — it’s a handy all-in-one tool for conduit bending, calculating, and quick reference for electricians.

Features include a voltage drop calculator that determines wire size to meet NEC voltage drop limits or calculates voltage drop for a specific run, while its conduit bending calculator visually displays bend shapes and calculated marks that help to finish jobs quickly and efficiently.

The app also has a fraction calculator, which users report is super-easy to use. 

11. Electrical Apps ($8.99) iOS 

Available for iOS only, Electrical Apps bundles five useful calculator apps for electricians from the same developer, all in one app. Bought separately, the apps would cost $14.99. 

Apps included are:

• QuickBend: Conduit Bending Calculator

• Workman's Calculator Pro

• PIER: Ohm's Law Calculator

• Phased: Circuit Colors

• RIGID: Conduit Bending Calculator

Estimating & Invoicing Apps

12. Joist (Free + Paid Plans) — iOS / Android

Joist is popular among electrical contractors who need simple estimating and invoicing tools without a full field service management platform. Techs can create professional estimates and invoices, capture customer signatures, accept credit card payments, and store project details in one app.

While Joist is easy to use and ideal for small teams, it doesn’t replace full electrical software. It lacks real-time dispatching, CRM workflows, and advanced reporting, but it’s a solid choice for straightforward estimating on a mobile device.

13. Housecall Pro (Free Trial / Subscription) — iOS / Android

Housecall Pro offers estimating and invoicing tools for service businesses, along with simple scheduling, payment processing, and CRM functions. Techs can generate line-item estimates, convert them into invoices, and collect payment on-site via credit card or digital wallet.

14. QuickBooks (Free Trial, Online Subscription Required) iOS / Android 

• iOS – Free trial, online subscription required

• Android – Free trial, online subscription required

When it comes to small business accounting software, QuickBooks is hard to beat. In particular, the QuickBooks mobile app ranks among the best apps for electricians, as it allows techs to invoice customers and capture expenses on-the-go. From viewing net profit to tracking miles and managing financial reports and cash flow, it’s a one-stop shop in the app world.

Google Play reviewers tout the app’s real-time expense tracking and its ability to save detailed notes while your electricians produce estimates. The app also helps techs manage payments, track sales and customers, view account balances and more.

Like most QuickBooks software, you’ll need to set up a subscription once you’ve completed a 14-day trial.

When an All-in-One Electrician Platform Makes Sense

Using separate electrician apps works well when your business is new or small. But once your company grows past a certain point, managing multiple disconnected tools becomes inefficient and costly.

Here are five common signs that it may be time to transition from standalone electrician apps to an integrated field service management platform:

1. You have 3–5+ trucks in the field → More trucks mean more scheduling, more jobs, more paperwork, and more chances for errors. Techs need consistent workflows, standard pricing, and on-site tools that sync with the office in real-time.

2. You’re preparing to scale or grow → Scaling requires repeatable processes. Using separate apps for pricing, dispatching, CRM, and invoicing limits your ability to grow efficiently.

3. You’re experiencing inefficiencies or duplicated work → Symptoms often include:

• Re-entering job details in multiple systems

• Techs losing time switching apps

• Data inaccuracies between field and office

• No centralized location for job histories

4. Your platforms don’t share data → If maintenance details live in one app, estimates in another, and invoices in a third, it becomes difficult to track profitability, technician performance, and customer history.

5. You want to prepare your electrical business for sale → Buyers value:

• Clean financials

• Documented workflows

• Integrated reporting

• Reliable recurring revenue

• Modern field service software

An all-in-one system makes your business more attractive and easier to transition. 

All-in-One Electrician App

15. ServiceTitan (Free Trial, Online Subscription Required) iOS / Android

ServiceTitan is one of the leading all-in-one software solutions for residential and commercial electrical businesses. Our user-friendly mobile app gives electrical contractors the agility to work from any location and sync entire workflows with other team members (like CSRs and dispatchers) and electrical business owners based in the office. 

By giving your electricians ServiceTitan’s full range of software tools on a mobile device (e.g. iPad or iPhone), they can: 

• Leverage Atlas—ServiceTitan’s AI Sidekick: Atlas gives technicians instant access to equipment documents, service history, replacement parts, manuals, and troubleshooting guidance—all without calling the office or flipping through old PDFs. Techs can pull up calculations, diagnostic tests, and job details with a quick voice or text query. Atlas can even help automate job summaries and notes so techs can spend more time fixing systems and less time typing on their phone.

• Access All Customer Information: Electricians can easily access customer details (job histories, outstanding estimates, prior invoices, call recordings, and more), eliminating paperwork and back-and-forth with CSRs. This ensures they arrive fully informed, deliver a more personalized service, and build greater customer confidence.

• Build Instant Digital Estimates: ServiceTitan’s dynamic flat-rate pricebook and add-on, Pricebook Pro, enable techs to create accurate, profitable estimates with preloaded images, descriptions, and pricing. Good-Better-Best proposals can be presented on-site and seamlessly connected to scheduling, dispatching, and billing, once approved.

• Offer Financing Options: ServiceTitan’s integrated financing helps techs close jobs more quickly by offering flexible financing options directly from their mobile device. You control which plans you offer and set the rules to suit your business.

• Maximize Upselling Opportunities: ServiceTitan Mobile lets electricians identify opportunities more easily and increase revenue. With full visibility into customer history, electricians can see, at a glance, when electrical wiring might need updating, for example, or an outstanding estimate should be followed up. 

• Close Sales at the Job Site: Techs can generate invoices using ServiceTitan’s Invoice Generator and collect payments on-site (via check, credit card, or swiper), improving cash flow and reducing admin work. 

• Sign Off Timesheets Remotely: ServiceTitan’s payroll software helps you track staff (via timesheets), allows techs to sign off remotely from their mobile device, and lets you configure commission and bonus structures so that complex performance pay is automated. These systems streamline your payroll procedure so your staff will be confident they’ll be paid correctly and promptly. 

ServiceTitan Mobile syncs seamlessly with office operations, allowing team members to access integrated, real-time features from the office or field,  including: Call booking, Scheduling and Dispatching, Marketing, Tracking and reporting, and more.

ServiceTitan: 3 Free Tools for Electricians

Instead of using a hodgepodge of free apps from different providers, ServiceTitan also offers the following free tools that are available to anyone, with or without a ServiceTitan account:

1. ServiceTitan’s Invoice Generator: Quickly and easily generate invoices from any smartphone or tablet.

2. ServiceTitan’s Labor Rate Calculator: Work out how much it costs your company to employ electricians.

3. ServiceTitan’s Business Valuation Generator: Offers a projected valuation of your electrical company.