Building Wire Selector vs Electrical Toolkit by HCP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Building Wire Selector
This tool helps determine the correct conductor size and wire type for electrical installations. It adheres to the National Electrical Code® wiring methods, ensuring compliance and safety.
- Conductor size determination
- Wire and cable type selection
- National Electrical Code compliance
- Electrical installation guidance
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Southwire's Building Wire Selector determines the minimum conductor size and the best wire and cable type for a particular installation, following the National Electrical Code® wiring methods.
Electrical Toolkit by HCP
This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.
- Conduit bending calculations
- NEC-compliant conduit fill
- Residential load calculations
- Power and Ohm's Law calculators
- Wire sizing and voltage drop
- Offline functionality
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Transform your electrical work with the most comprehensive mobile toolkit designed specifically for electricians and electrical professionals. This powerful app puts essential calculations, NEC-compliant tools, and field-tested utilities right in your pocket. Conduit Bending Mastery• Offset Calculator: Perfect bends every time with precise measurements • 90-Degree Bends: Calculate stub-ups, kicks, and compound angles • Three & Four-Point Saddles: Navigate obstacles with professional precision • Rolling Offsets: Master complex bends with step-by-step guidance • Conduit Dimensions: Complete reference tables for EMT and RMC NEC-Compliant Conduit Fill • Real-Time Compliance: Instant NEC code compliance checking • Multiple Conductor Types: THWN, THHN, XHHW, and more • Smart Calculations: Automatic derating and fill percentage calculations • Professional Reports: Generate detailed conduit fill reports Residential Load Calculator • Optional Method Calculations: Complete NEC Article 220 compliance • Equipment Database: Extensive library of common electrical equipment • Load Analysis: Detailed breakdown of general, heating, and cooling loads • PDF Reports: Professional load calculations you can share with inspectors Comprehensive Electrical Calculators • Power Conversions: Seamlessly convert between amps, volts, watts, kilowatts, horsepower, and KVA • Ohm's Law Calculator: Instantly solve for voltage, current, power, and resistance • Wire Sizing: Determine minimum wire size based on ampacity requirements with NEC compliance • Voltage Drop Calculator: Precise calculations for single and three-phase systems • Power Factor Calculator: Optimize electrical efficiency with accurate power factor calculations Professional Features • Recently Used Tools: Quick access to your most-used calculators • Offline Capable: All calculations work without internet connection • Clean Interface: Intuitive design that works with work gloves • Instant Results: No waiting - calculations update in real-time• PDF Reports: Professional load calculations you can share with inspectors • Professional Accuracy: Field-tested formulas trusted by thousands of electricians Perfect for: • Licensed Electricians • Electrical Contractors• Electrical Engineers • Apprentices and Students • Electrical Inspectors • Maintenance Technicians Built for speed. Designed for clarity. This app helps you save time, reduce mistakes, and get the job done right—whether you’re a seasoned pro or a new apprentice.
Screenshots
Verdict
The clearest difference is update cadence: Electrical Toolkit by HCP at every 8 days against Building Wire Selector's every 5 months. Electrical Toolkit by HCP also leads on ratings volume (68 vs 2). Building Wire Selector's advantage is rating (5.0 vs 4.6) and review sentiment (100% vs 86%). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Building Wire Selector holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Electrical Toolkit by HCP has 68 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Building Wire Selector's written reviews are positive against 86% of Electrical Toolkit by HCP's.
Building Wire Selector ships an update every 5 months, Electrical Toolkit by HCP every 8 days. The most recent releases landed on August 30, 2026 and September 24, 2026 respectively.
| Parameter | Building Wire Selector | Electrical Toolkit by HCP |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.6 (68 ratings) |
| Positive reviews | 100.0% of reviews — better | 85.7% of reviews |
| Number of ratings | 2 | 68 — better |
| Update frequency | Every 5 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Codefied Inc. |
Customer experience
Building Wire Selector
Electrical Toolkit by HCP
In-app purchases
Building Wire Selector
No in-app purchases
Electrical Toolkit by HCP
No in-app purchases
Questions
Is Building Wire Selector free?
Is Electrical Toolkit by HCP free?
Which has better reviews, Building Wire Selector or Electrical Toolkit by HCP?
Do Building Wire Selector or Electrical Toolkit by HCP have ads?
Which is updated more often, Building Wire Selector or Electrical Toolkit by HCP?
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