FieldTechELM vs Building Wire Selector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FieldTechELM
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This app is used to give ELM Microgrid - Battery Energy Storage System owners, operators, and employees access to Testing, Commissioning, Preventative Maintenance, and Warranty tools and reporting features. All users will be either ELM employees or customers who have purchased ELM systems.
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.
Screenshots
Verdict
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.
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.
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.
| Parameter | FieldTechELM | Building Wire Selector |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 39 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ELM Fieldsight, LLC | Southwire Company |
In-app purchases
FieldTechELM
No in-app purchases
Building Wire Selector
No in-app purchases
Questions
Is FieldTechELM free?
Is Building Wire Selector free?
Do FieldTechELM or Building Wire Selector have ads?
Which is updated more often, FieldTechELM or Building Wire Selector?
Other comparisons
