Building Wire Selector vs Propane King
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.
Propane King
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Information at your fingertips! This app gives you direct access to your account balance, location and contract information. It also gives you the ability to store and process payment and request service work and deliveries directly through the app.
Screenshots
Verdict
The clearest difference is iOS requirement: Propane King at 12.2 against Building Wire Selector's 16.6. On price, update cadence, ads and in-app purchases 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 ships an update every 2 months, Propane King every 4 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | Building Wire Selector | Propane King |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 12.2 — better |
| Further details — not scored | ||
| Size | 6 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Rural Computer Consultants, Inc. |
In-app purchases
Building Wire Selector
No in-app purchases
Propane King
No in-app purchases
Questions
Is Building Wire Selector free?
Is Propane King free?
Do Building Wire Selector or Propane King have ads?
Which is updated more often, Building Wire Selector or Propane King?
Other comparisons
