Comparison

NTT Fire Alarm Code Assistant vs NEC Mastery

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

Head to head
About

NTT Fire Alarm Code Assistant

This application helps determine and verify fire alarm and signaling system wiring classifications. It assists in calculating battery and charger sizes, determining voltage drop, and ensuring NFPA 72 compliance for notification appliances. It also aids in preparing for NICET fire alarm certification exams.

Highlights
  • Verify wiring classifications
  • Calculate battery and charger sizes
  • Determine voltage drop
  • Ensure NFPA 72 compliance
  • Assist with system design
  • Aid NICET exam preparation
Features
Read full description

This app can be used in the office and on site to determine/verify fire alarm and signaling system wiring classifications. The user can use it to calculate/verify battery sizes, battery charger sizes and determine voltage drop to ensure notification appliances operate properly. If designing a new system or adding detectors to an existing system, the app can assist with that task. When locating notification appliances or testing ones that are installed, it can assist to insure NFPA 72 compliance. The app can also assist individuals who are preparing for the NICET fire alarm certification exam(s) by providing finding aids for information that would be on the exam(s).

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.

Screenshots

NTT Fire Alarm Code Assistant4 screens
NEC Mastery4 screens

Verdict

The call

The clearest difference is in-app purchases: NTT Fire Alarm Code Assistant at none against NEC Mastery's 4. NTT Fire Alarm Code Assistant also leads on rating (5.0 vs 4.8) and iOS requirement (12.4 vs 16). NEC Mastery's advantage is ratings volume (164 vs 2). On price, ads and device support 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. NTT Fire Alarm Code Assistant asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NTT Fire Alarm Code Assistant holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: NEC Mastery has 164 ratings behind it against 2, so its average is the more settled of the two.

Scorecard5 real differences · 5 level
NTT Fire Alarm Code Assistant versus NEC Mastery: the parameters behind the verdict, then further details
ParameterNTT Fire Alarm Code AssistantNEC Mastery
PriceFreeFree
Rating5.0 (2 ratings) — better4.8 (164 ratings)
Positive reviews—80.0% of reviews
Number of ratings2164 — better
Update frequency—Every 10 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.4 — better16
Further details — not scored
Size11 MB127 MB
Age rating4+4+
DeveloperECPI UniversityWebrich Software Limited

Customer experience

NTT Fire Alarm Code Assistant

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

NEC Mastery

All ratings164 ratings
Positive95.7%
Neutral2.4%
Negative1.8%
Written reviews10 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

None

NTT Fire Alarm Code Assistant

No 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

Questions

Is NTT Fire Alarm Code Assistant free?
NTT Fire Alarm Code Assistant is free to download, with no in-app purchases.
Is NEC Mastery free?
NEC Mastery is free to download, with in-app purchases available.
Which has better reviews, NTT Fire Alarm Code Assistant or NEC Mastery?
NTT Fire Alarm Code Assistant is rated higher. NTT Fire Alarm Code Assistant averages 5.0 out of 5 from 2 ratings, while NEC Mastery averages 4.8 from 164 ratings.
Do NTT Fire Alarm Code Assistant or NEC Mastery have ads?
Neither NTT Fire Alarm Code Assistant nor NEC Mastery shows ads.

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