Electrical Calculator: NEC

Electrical Calculator: NEC

By Fedor Tryakin

Electrical Calculator: NEC is an offline utility app for electricians and students that provides NEC-compliant electrical calculations on iOS.

The App DNA

What makes this app unique?

The app removes the connectivity dependency required by cloud-based rivals, serving professionals who need reliable tools in remote or industrial field environments.

For Electricians, electrical students, and DIY professionals requiring NEC-compliant calculation tools.

What does it look like?

Key features

Ohm's Law Calculatorbasic

Calculates volts, amps, ohms, or watts for free, driving initial user acquisition.

NEC-Compliant Toolsedge

Provides professional-grade ampacity and conduit fill calculations gated by a one-time purchase.

Offline Functionalityedge

Operates without internet or account requirements, reducing friction for field electricians.

How much does it cost?

freemiumFree tier with core calculatorsPro tier with one-time purchase for full professional toolset

The one-time purchase model provides a clear value proposition for professionals who avoid recurring subscription costs.

Velocity

Maintenance developmentopaqueShow more...

The app currently operates at a maintenance cadence, with only one release recorded in the last 104 days. Development activity is minimal, showing no signs of new feature implementation or live operations. Given the lack of recent updates, the development momentum is currently stagnant.

See all version history

Who built it?

Fedor Tryakin

1 app tracked · Utilities

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

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Competition

Competitive landscape for Electrical Calculator: NEC

How's the Utilities market?

Electrical Calculator: NEC occupies a specialized utility niche, leveraging a one-time purchase model to compete against subscription-heavy rivals. The lack of recent updates (105 days) creates a vulnerability against competitors with more active development cycles.

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The rivals identified

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The Analyst's Read

Key takeaways for Electrical Calculator: NEC

Where is it heading?

The electrical utility market is increasingly shifting toward subscription models, leaving Electrical Calculator: NEC in a stable but vulnerable position. By maintaining a one-time purchase model, the app remains advantaged for price-sensitive professionals, but the lack of active development cadence could erode this lead if competitors offer more frequent code updates.

  • The 105-day update gap indicates a maintenance-only cadence, which signals stability to professionals but risks falling behind evolving NEC code requirements.

The SWOT

Core Strengths
  • Offline-first architecture functions as a distribution barrier in industrial environments.
Critical Frictions 1 weakness inside
Growth Levers
  • Localized NEC-equivalent standards could expand the user base beyond US-centric NEC focus.
Market Threats 1 threat identified

Next best moves

1 Maintain · 1 Invest

Audit the current NEC code version coverage because the 105-day update gap risks falling behind current code cycles → maintain professional trust.

+ 1 more prioritized move

The counter-intuitive read

The 105-day update gap is not necessarily a weakness…

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Bottom line

The one-time purchase model secures a loyal professional base, but the 105-day update gap risks the app's relevance as NEC codes evolve. Maintaining code accuracy is the mechanism that will preserve the app's value against more active rivals.

Unlock 1 critical friction, 1 market threat, 1 more prioritized move and the analyst’s take.

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FAQ

Is Electrical Calculator: NEC free to use?
The core calculators, such as Ohm's Law and energy cost, are free forever. Professional tools, including voltage drop and NEC-compliant ampacity, require a one-time purchase to unlock.
Does Electrical Calculator: NEC work without internet?
Yes, the app is designed for full offline functionality, making it suitable for use in remote or industrial environments where internet access is unavailable.
What is the difference between the free and pro versions?
The free version includes basic tools like Ohm's Law and resistance calculators. The pro version, unlocked via a one-time purchase, includes advanced NEC-compliant tools like conduit fill, box fill, and motor FLA calculations.
Are there any subscription fees for this app?
No, Electrical Calculator: NEC uses a one-time purchase model for its pro features, meaning there are no recurring subscription fees.

Sources

  1. [1] App Store

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Electrical Calculator: NEC, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Electrical Calculator: NEC Intelligence Report.” Updated Oct 13, 2026. https://marlvel.ai/apps/electrical-calculator-nec

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