NEC Mastery vs Electrical Safety Standard Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Electrical Safety Standard Pro
Prepare for electrical safety and code examinations with AI-powered practice tests and mock exams. Track your progress and assess your readiness with curated questions reflecting current industry standards. This independent tool is designed to enhance your study experience.
- AI-driven learning platform
- Curated and categorized questions
- Realistic mock tests
- Progress saving via user account
- Up-to-date AI technology
- Comprehensive course material
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Welcome to the Electrical Safety Standard Pro, your ultimate companion in mastering the essential aspects of Electrical Code and Electrical Safety In Workplace Standard. Our app is tailored to meet your training needs, providing comprehensive preparation for the upcoming examinations. Our AI-driven learning platform boasts questions meticulously curated and categorized to cover the breadth of Electrical Code and Electrical Safety In Workplace training. Experience the real test atmosphere with our carefully crafted mock tests, each presenting a random selection of 25 questions. This diverse range covers scenarios, test revision, and practice, allowing you to assess your readiness with confidence. Our AI technology ensures that questions are always up-to-date, reflecting the latest standards in the field. Save your progress effortlessly through your user account for future reference, adding convenience to your preparation. Whether you're a first-time test taker or in need of a quick refresher, our comprehensive course and mock tests are designed to support you at every step. Don't leave your success to chance; seize the opportunity to utilize our AI-supported mock tests and training resources. Ensure you're well-prepared, confident, and ready to excel in your journey! This app is an independent tool designed to assist users in preparing for exams using AI-assisted practice tests. It is not affiliated with any official or educational institutions, companies or governmental organizations. The questions in the practice tests are based on real-world exam patterns, but due to the AI-driven model, some questions may occasionally be out of context or differ from the actual exam content. Efforts are made to ensure the accuracy and relevance of the questions, and any such discrepancies will be reviewed and corrected. Please note, this app is intended solely as a study aid and does not guarantee specific exam results. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: NEC Mastery at fortnightly against Electrical Safety Standard Pro's every 3 months. NEC Mastery also leads on ratings volume (174 vs 3). On price, rating, 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
Both are free to download. NEC Mastery sells 4 in-app purchases, starting at $9.99 per month and Electrical Safety Standard Pro sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
NEC Mastery holds the better App Store score, 4.8 against 4.7. That said, the two scores are not equally well evidenced: NEC Mastery has 174 ratings behind it against 3, so its average is the more settled of the two.
NEC Mastery ships an update fortnightly, Electrical Safety Standard Pro every 3 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | NEC Mastery | Electrical Safety Standard Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (174 ratings) — better | 4.7 (3 ratings) |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 174 — better | 3 |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 16 | 15.0 — better |
| Further details — not scored | ||
| Size | 127 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Webrich Software Limited | Erdem Kara |
Customer experience
NEC Mastery
Electrical Safety Standard Pro
In-app purchases
NEC Mastery
- Full Question Bank$9.991 Month
- Full Question Bank$24.993 Months
- Full Question Bank$39.996 Months
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- Full Question Bank$59.991 Year
Electrical Safety Standard Pro
- Premium - Weekly Subscription$9.997 Days
- Premium - Monthly Subscription$24.991 Month
- Premium-Quarterly Subscription$49.993 Months
Show 1 moreShow fewer
- Premium - Yearly Subscription$99.991 Year
Questions
Is NEC Mastery free?
Is Electrical Safety Standard Pro free?
Which has better reviews, NEC Mastery or Electrical Safety Standard Pro?
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Which is updated more often, NEC Mastery or Electrical Safety Standard Pro?
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