# FieldTechELM vs Building Wire Selector

The clearest difference is update cadence: FieldTechELM at every 5 weeks against Building Wire Selector's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

FieldTechELM ships an update every 5 weeks, Building Wire Selector every 5 months. The most recent releases landed on July 6, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | FieldTechELM | 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 5 weeks** | Every 5 months |
| Monetization | — | Free |
| Size | 39 MB | 6 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ELM Fieldsight, LLC](https://appshunter.io/developer/1654990606) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### FieldTechELM

[App page](https://appshunter.io/ios/app/fieldtechelm/id6464528893)

**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 FieldTechELM free?

FieldTechELM 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 FieldTechELM or Building Wire Selector have ads?

Neither FieldTechELM nor Building Wire Selector shows ads.

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

FieldTechELM ships an update every 5 weeks, and Building Wire Selector every 5 months. Most recently, FieldTechELM was updated on July 6, 2026 and Building Wire Selector on August 30, 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.*