Building Wire Reliability Calc vs EV Calc Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Building Wire Reliability Calc
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Upgrade or upsize cables for critical infrastructure applications such as Data Centers, Healthcare Facilities, Wastewater Treatment Plants, Ports & Airports, or any heavily loaded systems.
EV Calc Pro
This professional-grade electrical calculator assists EV charger installers and electricians with accurate, NEC-compliant calculations. It offers multiple specialized calculators for load analysis, wire sizing, voltage drop, and more, all accessible offline.
- EV Charger Load Calculator
- EV Site Load Calculator
- Wire Size Calculator
- Voltage Drop Analysis
- Breaker Sizing
- Offline functionality
- NEC code references
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EV Calc Pro is the professional-grade electrical calculator built specifically for EV charger installers and electricians. Stop doing math on paper — get accurate, NEC-compliant results in seconds. CALCULATORS INCLUDED: EV Charger Load — Complete circuit analysis for EV charger installations EV Site Load — Full service load calculation for multi-charger sites (NEC 220, 625) Wire Size — NEC conductor sizing with temperature and conduit corrections Voltage Drop — Voltage drop analysis with pass/fail results Breaker Sizing — Overcurrent protection sizing per NEC Transformer Sizing — kVA transformer sizing for EV service upgrades Conduit Fill — NEC 358/344 conduit fill percentage calculator Grounding Conductor — Equipment grounding conductor sizing Ampacity Derating — Temperature and conduit fill derating per NEC 310 Box Fill — NEC 314.16 box fill calculation Power Calculator — Watts, amps, and volts conversion WHY EV CALC PRO: • Built for the field — fast inputs, instant results • 100% offline — no internet required, works on job sites • NEC code references on every calculator • Dark mode for working in low-light conditions • Export and share results via text, email, or any app • Free — no subscription, no paywalls Part of the Charge Rigs family of tools for EV charging professionals.
Screenshots
Verdict
Building Wire Reliability Calc and EV Calc Pro are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Building Wire Reliability Calc | EV Calc Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 6 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Charge Rigs, LLC |
In-app purchases
Building Wire Reliability Calc
No in-app purchases
EV Calc Pro
No in-app purchases
Questions
Is Building Wire Reliability Calc free?
Is EV Calc Pro free?
Do Building Wire Reliability Calc or EV Calc Pro have ads?
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