# Schilling Propane vs Building Wire Selector

The clearest difference is iOS requirement: Schilling Propane at 12.2 against Building Wire Selector's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Schilling Propane ships an update every 6 months, Building Wire Selector every 5 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Schilling Propane | Building Wire Selector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/building-wire-selector/id6670218338/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 56 MB | 6 MB |
| Requires iOS | **12.2** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Schilling Propane

[App page](https://appshunter.io/ios/app/schilling-propane/id6480926170)

**Features:** macOS Compatibility

**In-app purchases:** none


### Building Wire Selector

[App page](https://appshunter.io/ios/app/building-wire-selector/id6670218338)

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.

**Highlights:** Conductor size determination, Wire and cable type selection, National Electrical Code compliance, Electrical installation guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Schilling Propane free?

Schilling Propane is free to download, with no in-app purchases.

### Is Building Wire Selector free?

Building Wire Selector is free to download, with no in-app purchases.

### Do Schilling Propane or Building Wire Selector have ads?

Neither Schilling Propane nor Building Wire Selector shows ads.

### Which is updated more often, Schilling Propane or Building Wire Selector?

Schilling Propane ships an update every 6 months, and Building Wire Selector every 5 months. Most recently, Schilling Propane was updated on October 7, 2026 and Building Wire Selector on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*