Comparison

Master Electrician vs MasterCode NEC

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

Head to head
About

Master Electrician

This app acts as an AI-powered code expert for electricians, providing instant, cited answers to code questions and analyzing electrical installations for compliance. It includes a suite of essential calculators and a quick reference library for on-the-job use.

Highlights
  • AI-powered code question answering
  • Electrical installation compliance scanning
  • Professional electrical calculators
  • Offline quick reference library
  • Dark mode for jobsite use
  • Fractional inch input support
Features
Read full description

Master Electrician puts the Code in your pocket — powered by AI that actually understands what you're asking. Ask a code question in plain English and get accurate, cited answers referencing specific articles and sections across the code cycles. No more flipping through pages or guessing. SPARKYCODE — AI ASSISTANT Your on-site code expert. Ask questions like: - "GFCI requirements for kitchen countertops?" - "Wire sizing for a 200A residential service?" - "Outdoor receptacle spacing rules?" Get clear answers with references, plus notes on how requirements changed between code editions. Every answer reminds you to verify with your local AHJ. SPARKCHECK — AI COMPLIANCE SCANNING Snap a photo of any electrical installation and get an instant compliance analysis. The AI examines your work for potential violations, identifies the applicable code sections, and suggests specific corrections — complete with severity ratings and fix recommendations. PROFESSIONAL CALCULATORS Every calculator an electrician needs on the jobsite: - Conduit Bending — offsets, saddles, 90s, back-to-back, kicks with fractional inch precision - Voltage Drop — NEC-compliant calculations for copper and aluminum conductors - Box Fill — conductor counts per 314.16 - Wire Ampacity — temperature-rated ampacity tables - Ohm's Law — voltage, current, resistance, and power - Breaker Sizing — proper overcurrent protection calculations - 3-Phase Power — three-phase voltage, current, and power calculations - Transformer Sizing — kVA, primary/secondary calculations All calculators support customizable defaults for conduit type, conductor material, voltage, and wire temperature rating. QUICK REFERENCE LIBRARY Essential tables, formulas, references, and wiring diagrams accessible offline — no flipping through codebooks on the jobsite. BUILT FOR THE FIELD - Dark mode designed for indoor work environments - Fractional inch inputs (down to 1/16") because electricians don't work in decimals - Scan credit system — free daily scans with options to upgrade - Works on iPhone and iPad SUBSCRIPTION OPTIONS - Apprentice: Free — 2 AI scans per day - Journeyman: $3.99/month — 15 scans per day - Foreman: $8.99/month — 50 scans per day - Owner: $29.99/month — 200 scans per day Annual plans available at 25-27% savings. One-time scan packs also available if you prefer pay-as-you-go. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage and cancel subscriptions in your Account Settings. No cancellation of the current subscription is allowed during the active subscription period. DISCLAIMER This app is for informational purposes only. All calculations and AI responses should be verified against the current NEC edition and your local Authority Having Jurisdiction (AHJ). Not a substitute for professional judgment. Privacy Policy: https://masterelectricianapp.com/privacy Terms of Service: https://masterelectricianapp.com/terms Built by an electrician who uses these tools on the job every day.

About

MasterCode NEC

Read full description

MasterCode NEC gives electricians a faster way to work through electrical code questions in the field. Instead of digging through the code book, searching forums, or trying to remember which article applies, you can describe the actual electrical situation in plain English and get a structured answer back. Ask about wiring methods, GFCI protection, AFCI protection, conductor sizing, breaker sizing, grounding, bonding, services, feeders, branch circuits, panels, subpanels, conduit fill, box fill, derating, motor calculations, residential requirements, inspection issues, and more. MasterCode NEC helps organize the answer with: • A direct bottom-line response • Related NEC article references • Reasoning and calculation notes when needed • Clarifying questions when key details are missing • Practical field and inspector interpretation notes • State and code-cycle awareness where available It is built for electricians, apprentices, journeymen, foremen, contractors, inspectors, and electrical professionals who need quick code direction without wasting time digging through scattered references. Use it when you are asking questions like: • Does this need GFCI protection? • Can I run this wiring method here? • What article applies to this situation? • What size conductor or breaker should I be looking at? • Is this inspector correction reasonable? • What details are missing before making a code call? MasterCode NEC is not the official NEC, does not replace the adopted code book, and is not a substitute for licensed judgment, engineering documents, manufacturer instructions, local amendments, or the Authority Having Jurisdiction. It is an independent field-support and educational tool designed to help electrical professionals get oriented faster and understand the reasoning behind code answers. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getmastercode.com/privacy/

Screenshots

Master Electrician4 screens
MasterCode NEC4 screens

Verdict

The call

Master Electrician and MasterCode NEC are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Master Electrician sells 10 in-app purchases, starting at $3.99 per month and MasterCode NEC sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Master Electrician ships an update every 4 days, MasterCode NEC every 2 days. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.

ScorecardNo meaningful differences
Master Electrician versus MasterCode NEC: the parameters behind the verdict, then further details
ParameterMaster ElectricianMasterCode NEC
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size36 MB52 MB
Age rating12+4+
DeveloperJason CugleyAppify Software

In-app purchases

10 purchases

Master Electrician

Subscriptions6
  • Journeyman$3.991 Month
  • Foreman$8.991 Month
  • Owner$29.991 Month
Show 3 more
  • Journeyman Annual$34.991 Year
  • Foreman Annual$79.991 Year
  • Owner Annual$269.991 Year
One-time4
  • Starter Pack$1.99
  • Plus Pack$4.99
  • Pro Pack$9.99
Show 1 more
  • Mega Pack$19.99
2 purchases

MasterCode NEC

Subscriptions2
  • MasterCode Basic$9.991 Month
  • MasterCode Pro$19.991 Month

Questions

Is Master Electrician free?
Master Electrician is free to download, with in-app purchases available.
Is MasterCode NEC free?
MasterCode NEC is free to download, with in-app purchases available.
Do Master Electrician or MasterCode NEC have ads?
Neither Master Electrician nor MasterCode NEC shows ads.
Which is updated more often, Master Electrician or MasterCode NEC?
Master Electrician ships an update every 4 days, and MasterCode NEC every 2 days. Most recently, Master Electrician was updated on September 20, 2026 and MasterCode NEC on September 11, 2026.

Other comparisons