SIMpull 600V Calculator vs Master Electrician
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Voltage Drop Calculator
- Ground Wire Sizing
- Ampacity Adjustments
- Phase Wire Attributes
- Sidewall Tension/Pressure
- Reel Sizing
- NEC® Compliant Answers
- Email Results
Read full descriptionHide 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.
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.
- 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
Read full descriptionHide 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
Verdict
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
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.
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.
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.
| Parameter | SIMpull 600V Calculator | Master Electrician |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (59 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 59 — better | 1 |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 12 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | Southwire Company | Jason Cugley |
Customer experience
SIMpull 600V Calculator
Master Electrician
In-app purchases
SIMpull 600V Calculator
No in-app purchases
Master Electrician
- Journeyman$3.991 Month
- Foreman$8.991 Month
- Owner$29.991 Month
Show 3 moreShow fewer
- Journeyman Annual$34.991 Year
- Foreman Annual$79.991 Year
- Owner Annual$269.991 Year
- Starter Pack$1.99
- Plus Pack$4.99
- Pro Pack$9.99
Show 1 moreShow fewer
- Mega Pack$19.99




