Comparison

Electrical Tools & Reference vs Electric Master

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Electrical Tools & Reference

Master electrical concepts, circuits, and wiring with this comprehensive app. It offers detailed diagrams, essential tools, and clear explanations for students, apprentices, and professionals. Learn theory, practice with quizzes, and access a symbol library for real-world electrical work.

Highlights
  • Electrical theory basics
  • Interactive wiring diagrams
  • Built-in electrical calculators
  • Schematic symbols library
  • Quizzes and electrical tests
  • Real-world explanations
Features
Read full description

Master electricity, circuits, and real-world wiring! Whether you're a student, apprentice, or working electrician, this comprehensive app is your go-to resource for understanding and applying electrical engineering concepts. Learn electrical theory, explore detailed wiring diagrams, and use handy tools to make everyday electrical work easier and more accurate. All-in-One Electrician’s Toolkit Learn Electrical Basics – Voltage, current, resistance, power, Ohm’s & Kirchhoff’s laws, grounding, and more Interactive Wiring Diagrams – Switches (SPST, DPST, intermediate), socket and lighting circuits, sensors, and motor connections (star/delta, capacitor, contactors) Built-In Calculators – Power, current, voltage, resistance, energy costs, resistor codes, and essential electrical formulas Schematic Symbols Library – Standard electronics symbols: resistors, capacitors, fuses, diodes, transistors, and more Clear, Practical Learning Simple, real-world explanations for beginners and pros alike Visual diagrams and field-ready schematics for easy understanding Practice your knowledge with quizzes and electrical tests Covers both theory and hands-on electrical installation cases Perfect For: Electrical engineering students & apprentices Electricians and field technicians Instructors and vocational trainers DIY enthusiasts with technical curiosity Why Choose This App? Electrician Handbook has been trusted for its practical approach to electrical education. Everything you need – from core concepts to practical applications – in one easy-to-use guide. In-app purchase Details: Monthly Subscription Lifetime Subscription Privacy Policy : https://applicationcontent.wordpress.com/privacy-policy/ Terms of use : https://applicationcontent.wordpress.com/terms-of-use/

About

Electric Master

This app provides a suite of electrical calculation tools for professionals, offering NEC-compliant solutions for wire sizing, voltage drop, and more. It works offline and allows for PDF export of results with custom branding.

Highlights
  • NEC-compliant electrical calculators
  • Offline functionality
  • Voltage drop calculations
  • Ampacity and wire sizing
  • PDF export with branding
  • Calculation history
  • Siri Shortcuts integration
Features
Read full description

Every answer names the code table it came from — 310.16, Chapter 9, 250.122, Article 220 — so you can check it, cite it to an inspector, and learn it. That is the whole point. 20 calculators and a full panel planner. All of it works with no signal, in a basement, on a roof, in a crawlspace. PANEL PLANNER + PANEL SCHEDULE Lay out the actual board on screen. Drag breakers, GFCI/AFCI devices, busbars and terminals onto the rail, wire them up, name every circuit. Then export a PDF with your logo: panel schedule, board drawing and a parts list, ready to hand over. NO ACCOUNT, NO ADS - VOLTAGE DROP — branch and feeder circuits, instant 3%/5% check - AMPACITY — NEC Table 310.16 lookup, every size and insulation type - GROUND WIRE — equipment grounding conductor per 250.122 - OHM'S LAW and POWER TRIANGLE - THREE PHASE - PANEL PLANNER — free to enter and draw, core devices included MORE CALCULATORS - WIRE SIZING — the right conductor for the circuit, accounting for ampacity and temperature - CONDUIT FILL — EMT, IMC, RMC, PVC and flexible raceway - CONDUIT BENDING — 9 bend types (90°, offset, 3- and 4-point saddle, rolling offset, concentric, back-to-back, parallel offsets, matching centers), bender presets and an on-screen level - BOX FILL — junction box sizing per 314.16 - DWELLING LOAD — service sizing per Article 220 - NON-DWELLING DEMAND — commercial load calculation - SERVICE ENTRANCE — service and feeder sizing - GROUNDING ELECTRODE — per 250.66 - DERATING — temperature and conduit-fill factors - MOTOR — branch circuit protection per Article 430 - TRANSFORMER — overcurrent protection per Article 450 - FAULT CURRENT — available short-circuit current - EV CHARGER — EVSE branch circuit and load - SELECTIVITY — protective device coordination FOUR CODES, ONE APP NEC 2023 and 2026 - CEC 2024 (CSA C22.1) - BS 7671 - DIN VDE 0100. The app picks the right one for your region, and you can switch any time. Nobody else carries all four. PAY ONCE IF YOU WANT TO Every calculator gives you one free visit first, so you can check the math against your own book before you decide. Then choose a one-time Lifetime purchase and never see a subscription again — or pay yearly or monthly if you prefer. BUILT FOR THE TRUCK, NOT THE OFFICE - 100% offline. No internet, no account, no sign-up. - No ads. No tracking. No data collected. - PDF reports with your company logo and license number, US Letter or A4 - History with job names, side-by-side comparison, Siri Shortcuts, Home Screen widget Not affiliated with, endorsed by, or sponsored by the NFPA, CSA Group or the IET. NEC and National Electrical Code are registered trademarks of the National Fire Protection Association, Inc. Always verify against the adopted code edition in your jurisdiction. Terms: https://laborsam.com/apps/electric-master/terms Privacy: https://laborsam.com/apps/electric-master/privacy

Screenshots

Electrical Tools & Reference4 screens
Electric Master4 screens

Verdict

The call

The clearest difference is rating: Electrical Tools & Reference at 4.6 against Electric Master's 3.6. Electrical Tools & Reference also leads on ratings volume (31 vs 5) and iOS requirement (12.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Electrical Tools & Reference sells 2 in-app purchases, starting at $2.99 per month and Electric Master sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Electrical Tools & Reference holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: Electrical Tools & Reference has 31 ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Electrical Tools & Reference ships an update every 3 weeks, Electric Master every 11 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 6 level
Electrical Tools & Reference versus Electric Master: the parameters behind the verdict, then further details
ParameterElectrical Tools & ReferenceElectric Master
PriceFreeFree
Rating4.6 (31 ratings) — better3.6 (5 ratings)
Number of ratings31 — better5
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size88 MB73 MB
Age rating4+4+
DeveloperAshvin KevadiyaYusuf Can Samiloglu

Customer experience

Electrical Tools & Reference

All ratings31 ratings
Positive90.3%
Neutral3.2%
Negative6.5%

Electric Master

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%

In-app purchases

2 purchases

Electrical Tools & Reference

Subscriptions1
  • Monthly$2.991 Month
One-time1
  • Lifetime Premium$3.99
3 purchases

Electric Master

Subscriptions2
  • Pro Monthly — All Calculators$9.991 Month
  • Pro Yearly — All Calculators$59.991 Year
One-time1
  • Pro Lifetime — All Calculators$119.99

Questions

Is Electrical Tools & Reference free?
Electrical Tools & Reference is free to download, with in-app purchases available.
Is Electric Master free?
Electric Master is free to download, with in-app purchases available.
Which has better reviews, Electrical Tools & Reference or Electric Master?
Electrical Tools & Reference is rated higher. Electrical Tools & Reference averages 4.6 out of 5 from 31 ratings, while Electric Master averages 3.6 from 5 ratings.
Do Electrical Tools & Reference or Electric Master have ads?
Neither Electrical Tools & Reference nor Electric Master shows ads.
Which is updated more often, Electrical Tools & Reference or Electric Master?
Electrical Tools & Reference ships an update every 3 weeks, and Electric Master every 11 days. Most recently, Electrical Tools & Reference was updated on October 30, 2026 and Electric Master on November 5, 2026.

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