Comparison

SIMpull 600V Calculator vs Master Electrician

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

Head to head
About

SIMpull 600V Calculator

This app offers multiple calculators for electrical calculations, all linked by wire pull characteristics. It generates NEC® compliant answers for voltage drop, ground wire sizing, ampacity adjustments, and more. Results can be easily emailed.

Highlights
  • Voltage Drop Calculator
  • Ground Wire Sizing
  • Ampacity Adjustments
  • Phase Wire Attributes
  • Sidewall Tension/Pressure
  • Reel Sizing
  • NEC® Compliant Answers
  • Email Results
Features
Read full description

The SIMpull 600V Calculator provides multiple calculators within a single app that are connected by specific wire pull characteristics (i.e. Voltage Drop, Ground Wire Sizing, Ampacity Adjustments, Phase Wire Attributes, Sidewall Tension/ Pressure and Reel Sizing) and generates individual NEC® compliant answers. Results are easily emailed.

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.

Screenshots

SIMpull 600V Calculator4 screens
Master Electrician4 screens

Verdict

The call

The clearest difference is rating: Master Electrician at 5.0 against SIMpull 600V Calculator's 4.2. Master Electrician also leads on update cadence (every 4 days vs every 3 months). SIMpull 600V Calculator's advantage is in-app purchases (none vs 10) and ratings volume (59 vs 1). On price, ads, device support and iOS requirement 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. Master Electrician sells 10 in-app purchases, starting at $3.99 per month. SIMpull 600V Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Master Electrician holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: SIMpull 600V Calculator has 59 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SIMpull 600V Calculator ships an update every 3 months, Master Electrician every 4 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
SIMpull 600V Calculator versus Master Electrician: the parameters behind the verdict, then further details
ParameterSIMpull 600V CalculatorMaster Electrician
PriceFreeFree
Rating4.2 (59 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings59 — better1
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size12 MB36 MB
Age rating4+12+
DeveloperSouthwire CompanyJason Cugley

Customer experience

SIMpull 600V Calculator

All ratings59 ratings
Positive79.7%
Neutral5.1%
Negative15.3%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Master Electrician

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SIMpull 600V Calculator

No 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

Questions

Is SIMpull 600V Calculator free?
SIMpull 600V Calculator is free to download, with no in-app purchases.
Is Master Electrician free?
Master Electrician is free to download, with in-app purchases available.
Which has better reviews, SIMpull 600V Calculator or Master Electrician?
Master Electrician is rated higher. SIMpull 600V Calculator averages 4.2 out of 5 from 59 ratings, while Master Electrician averages 5.0 from 1 ratings.
Do SIMpull 600V Calculator or Master Electrician have ads?
Neither SIMpull 600V Calculator nor Master Electrician shows ads.
Which is updated more often, SIMpull 600V Calculator or Master Electrician?
SIMpull 600V Calculator ships an update every 3 months, and Master Electrician every 4 days. Most recently, SIMpull 600V Calculator was updated on October 20, 2026 and Master Electrician on October 7, 2026.

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