Comparison

NEC Mastery vs Electrician

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

Head to head
About

NEC Mastery

Prepare for electrician certification exams with over 8,000 practice questions and detailed explanations. Access a comprehensive quick reference guide and 20 professional NEC calculators for on-the-job use. Track work hours with a built-in log for state board submissions.

Highlights
  • 8000+ exam-style questions
  • 20 NEC calculators
  • Quick reference guide
  • Electrician hour log
  • 2023/2024 NEC Code updates
  • Customizable study syllabus
  • Mock tests and performance tracking
Features
Read full description

Developed with insights from licensed electricians and instructors nationwide, NEC Mastery has helped thousands pass their certification exams. Built around the 2023 NEC Code with 2024 updates. Prepare for your NEC Certification Exam with the most comprehensive study tool designed for Journeyman, Master Electricians, Electrical Contractors, Maintenance and Sign Electricians, Inspectors, and Examiners. NOW IN ENGLISH AND SPANISH Every question, calculator, reference table and help article is available in both languages. Terminology follows NFPA 70, Código Eléctrico Nacional — the official Spanish edition of the NEC — so what you study matches the exam you sit. Texas TDLR offers Spanish-language electrician exams through PSI against the 2023 NEC, which is exactly the edition this app is written to. Pick your language on first launch or change it any time in Settings; the whole app switches instantly, read-aloud voice included. Quick Reference Your pocket electrician's reference with 13 categories and 100+ items — all offline: • Electrical Formulas (Ohm's Law, AC/DC power, impedance, power factor) • Ampacity Tables (NEC 310.16, temperature derating, conduit fill adjustment) • Wire Properties & Insulation Types • Conduit Fill (EMT, RMC, PVC) & Conduit Bending • Box Fill Calculations • Voltage Drop Tables & Max Distance Lookups • NEMA Plug/Receptacle Configurations • Motor FLC Tables & Branch Circuit Sizing • Grounding (EGC & GEC Sizing, Electrode Types) • Transformer Formulas & OCPD Sizing • Electrical Symbols & Unit Conversions Bookmark any reference, search by NEC article number or keyword, and jump directly to related calculators. 20 NEC Calculators Professional-grade calculators with NEC code references: Ohm's Law, Power Converter, Wire Size, Ampacity Derating, Voltage Drop, Conduit Fill, Box Fill, Breaker Sizing, EGC Size, GEC Size, Motor Circuit, Motor Feeder, Lighting Load, EV Charger Load, Residential Load, Commercial Load, Transformer OCPD, Transformer Conductor, Cover Depth, and Fault Current. Electrician Hour Log Track your apprentice or journeyman work hours: • 12 work categories and 4 sector types • Dashboard with charts and goal tracking • PDF export for state board submissions • iCloud sync across all your devices Books & Tools Curated recommendations from working electricians — code books, test instruments, hand tools, and study guides. Exams Covered - Master & Journeyman Electrician: F16, F17, G17, T17 - Residential Electrician: F18, G18, T18 - Maintenance & Sign Electricians: F19, F21, F22, F23 - Electrical Contractor: F49 - Inspectors & Examiners: E1, E2, E3 Why Choose NEC Mastery - 8,000+ exam-style questions with answers, NEC references, and detailed explanations - Fully bilingual — English and Spanish, switchable at any time - 20 professional NEC calculators for on-the-job use - Quick Reference with 100+ items — ampacity, formulas, NEMA configs, and more - Electrician hour log with iCloud sync and PDF export - Covers the 2023 NEC Code with 2024 updates - Choose your own syllabus — customize down to each individual article - Mock tests and performance tracking to simulate real exams - Instant feedback mode with explanations as you practice - Dark mode and adjustable text size Study by Chapter 1 General · 2 Wiring and Protection · 3 Wiring Methods and Materials · 4 Equipment for General Use · 5 Special Occupancies · 6 Special Equipment · 7 Special Conditions · 8 Communications Systems Who Is This App For? Apprentices and licensed electricians, residential/commercial/industrial electricians, contractors, inspectors, safety managers, engineers, and field technicians. Privacy Policy: https://www.webrichsoftware.com/privacy.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Join thousands of electricians who have passed their NEC exams with NEC Mastery.

About

Electrician

Master electrical concepts with engaging quizzes covering safety, theory, installations, and more. Ideal for students and professionals looking to enhance their knowledge and skills in the field of electricity.

Highlights
  • Electrical safety and regulations quizzes
  • Basic electrical theory and Ohm's Law
  • Tools, instruments, and materials knowledge
  • Electrical drawings and schematics interpretation
  • Conductors, cables, and wiring methods
  • Grounding and bonding principles
  • Residential and commercial installation topics
  • Troubleshooting and maintenance techniques
Features
Read full description

Become an Electrician with Fun and Engaging Quizzes! Dive into the world of Electricity with our comprehensive quiz app, designed to boost your knowledge, confidence, and skills. Whether you're a student, practitioner, or just exploring the field, this app is your ultimate companion for learning and growth. Topics Covered: Electrical Safety & Regulations: -Electrical hazards and risk assessment -Lock-out / Tag-out procedures -Personal Protective Equipment (PPE) -National & international electrical codes (NEC / IEC) Basic Electrical Theory: -Voltage, current, resistance, and power -Ohm’s Law and power equations -AC vs DC fundamentals -Series and parallel circuits Tools, Instruments & Materials: -Hand tools and power tools -Multimeters, clamp meters, and testers -Electrical conductors and insulation types -Fasteners, conduits, and fittings Electrical Drawings & Schematics: -Electrical symbols and diagrams -Single-line and wiring diagrams -Reading floor plans and layouts -As-built drawings and documentation Conductors, Cables & Wiring Methods: -Wire sizes and ampacity -Copper vs aluminum conductors -Cable types (NM, THHN, armored, etc.) -Conduit systems and wiring methods Grounding & Bonding: -Purpose of grounding and bonding -Earthing systems -Ground fault protection -Lightning and surge grounding Residential Electrical Installations: -Home wiring systems -Lighting and receptacle circuits -Switches and outlets -Residential load calculation Commercial & Industrial Installations: -Three-phase systems -Distribution panels and feeders -Motor circuits -Industrial wiring practices Electrical Panels & Distribution Boards: -Panel components and layout -Circuit breakers and fuses -Load balancing -Panel labeling and safety Lighting Systems: -Incandescent, fluorescent, and LED lighting -Lighting control systems -Emergency and outdoor lighting -Energy-efficient lighting design Motors, Generators & Transformers: -Electric motor types and operation -Generator basics -Transformer principles -Starting methods and protection Protection Devices & Control Systems: -Circuit breakers and fuses -Relays and contactors -Overload protection -Control panels and automation basics Power Quality & Energy Efficiency: -Power factor correction -Harmonics and voltage drops -Energy audits -Renewable energy integration basics Troubleshooting & Maintenance: -Fault-finding techniques -Testing and inspection methods -Preventive maintenance -Common electrical failures and fixes Emerging Technologies & Smart Systems: -Smart homes and IoT devices -Solar PV and battery systems -Electric vehicle charging systems -Building management systems (BMS) Who is it for? - Electrical students preparing for exams. - Professionals brushing up on their knowledge. - Anyone interested in understanding the principles of Electricity. Download now and make learning Electricity enjoyable and effective! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://forwaelade.web.app/Electrician/privacy-policy

Screenshots

NEC Mastery4 screens
Electrician4 screens

Verdict

The call

The clearest difference is review sentiment: NEC Mastery at 80% against Electrician's 0%. NEC Mastery also leads on rating (4.8 vs 1.0) and ratings volume (172 vs 1). 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. NEC Mastery sells 4 in-app purchases, starting at $9.99 per month and Electrician sells 6 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

NEC Mastery holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: NEC Mastery has 172 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of NEC Mastery's written reviews are positive against 0% of Electrician's.

UpkeepUpdate frequency

NEC Mastery ships an update fortnightly, Electrician every 2 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
NEC Mastery versus Electrician: the parameters behind the verdict, then further details
ParameterNEC MasteryElectrician
PriceFreeFree
Rating4.8 (172 ratings) — better1.0 (1 ratings)
Positive reviews80.0% of reviews — better0.0% of reviews
Number of ratings172 — better1
Update frequencyFortnightly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS16 — better17.0
Further details — not scored
Size127 MB21 MB
Age rating4+4+
DeveloperWebrich Software LimitedForwa Elade Wunde

Customer experience

NEC Mastery

All ratings165 ratings
Positive95.8%
Neutral2.4%
Negative1.8%
Written reviews10 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Electrician

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

4 purchases

NEC Mastery

Subscriptions4
  • Full Question Bank$9.991 Month
  • Full Question Bank$24.993 Months
  • Full Question Bank$39.996 Months
Show 1 more
  • Full Question Bank$59.991 Year
6 purchases

Electrician

Subscriptions3
  • 1 Week$7.997 Days
  • 1 Month$19.991 Month
  • 1 Year$29.991 Year
One-time3
  • 1500$1.99
  • 3500$2.99
  • 9000$4.99

Questions

Is NEC Mastery free?
NEC Mastery is free to download, with in-app purchases available.
Is Electrician free?
Electrician is free to download, with in-app purchases available.
Which has better reviews, NEC Mastery or Electrician?
NEC Mastery is rated higher. NEC Mastery averages 4.8 out of 5 from 172 ratings, while Electrician averages 1.0 from 1 ratings.
Do NEC Mastery or Electrician have ads?
Neither NEC Mastery nor Electrician shows ads.
Which is updated more often, NEC Mastery or Electrician?
NEC Mastery ships an update fortnightly, and Electrician every 2 weeks. Most recently, NEC Mastery was updated on October 24, 2026 and Electrician on October 30, 2026.

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