Conduit Fill Pro

Conduit Fill Pro

By Mikhail Nikitin

Conduit Fill Pro is a professional electrical calculator for conduit, box fill, and voltage drop, designed for use by electricians and inspectors on iOS.

The App DNA

What makes this app unique?

The app removes the cognitive and physical friction of manual NEC code lookups and complex field math, providing a reliable, offline-first tool for jobsite verification.

For Electrical professionals including apprentices, journeymen, master electricians, and inspectors.

What does it look like?

Key features

Conduit Fill Calculatorstandard

Calculates fill percentages for various conduit types and trade sizes, ensuring code compliance.

PDF Report Generationedge

Exports timestamped, formula-backed reports for project documentation and inspections.

Offline Reference Libraryedge

Stores technical data locally for use in areas without internet connectivity, maintaining the daily habit.

How much does it cost?

freeFree

Conduit Fill Pro is currently offered for free with no visible IAP or subscription gates.

Velocity

Dormant developmentopaqueShow more...

Conduit Fill Pro has seen no development activity for 179 days. With only a single version released in the observed window, the app currently sits in a state of total inactivity. There is no evidence of ongoing maintenance, feature updates, or operational support.

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Who built it?

Mikhail Nikitin

8 apps tracked · Utilities

E6B - Flight ComputerE6B - Flight ComputerEXIF Metadata Editor & RemoverEXIF Metadata Editor & RemoverDuct Calculator - DuctCalcDuct Calculator - DuctCalcRefrigerant Charge CalculatorRefrigerant Charge CalculatorConcrete Calculator - SlabConcrete Calculator - SlabVinylSpot: Scan & Value RecordVinylSpot: Scan & Value RecordSnore Recorder & TrackerSnore Recorder & Tracker
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User Sentiment

What do users think recently?

Review voice lately leans thrilled. Users appreciate calculation accuracy for conduit and wire sizing removes the need for manual math on jobsites and box fill add-on accounts for physical device and strap volume rather than just wire count.

How are ratings & reviews evolving?

App Store
3.67 · 3

What users say, by theme

What Users Love
  • Calculation accuracy for conduit and wire sizing removes the need for manual math on jobsites
  • Box Fill add-on accounts for physical device and strap volume rather than just wire count
  • Integrated reference section allows for quick information lookups without carrying heavy physical code books

1 of 1 recent reviews analyzed · limited sample

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Competition

Competitive landscape for Conduit Fill Pro

How's the Utilities market?

Conduit Fill Pro holds a niche position in the Utilities category, serving as a specialized reference tool for electrical code compliance. With only three total ratings, the app's current market footprint is limited, reflecting its status as a highly targeted utility rather than a mass-market tool.

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The rivals identified

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The Analyst's Read

Key takeaways for Conduit Fill Pro

Where is it heading?

The market for specialized electrical utilities is consolidating around tools that offer both code compliance and professional-grade documentation. Conduit Fill Pro is well-positioned for this shift, provided it can transition from a static calculator to a project-management utility through cloud-based reporting.

  • The six-month update gap suggests a maintenance-only posture, which limits the app's ability to respond to new electrical code revisions.
  • High user satisfaction with the offline reference library indicates a strong, sticky utility that remains valuable even without frequent feature expansion.

The SWOT

Core Strengths
  • Offline-first architecture ensures tool reliability in connectivity-constrained environments
Critical Frictions 1 weakness inside
Growth Levers
  • Cloud-synced project reports could unlock B2B revenue from electrical contracting firms
Market Threats 1 threat identified

Next best moves

1 Invest

Ship cloud-sync for PDF reports because it enables B2B adoption → unlock recurring revenue

The counter-intuitive read

The lack of updates is not a failure…

Read the full take

Bottom line

Conduit Fill Pro's offline reliability provides a strong foundation for professional use, but the six-month update gap risks ceding the niche to more active rivals. Investing in B2B-focused cloud features would shift the app from a static tool to a project-documentation platform.

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

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FAQ

Is Conduit Fill Pro accurate for professional electrical work?
Yes, users report that Conduit Fill Pro provides highly accurate results for conduit and wire sizing, specifically praising the realistic box fill calculations that account for physical hardware volume.
Does Conduit Fill Pro require an internet connection?
No, Conduit Fill Pro is designed to work fully offline, storing all reference data locally so it can be used in basements and panel rooms without connectivity.
Is Conduit Fill Pro free to use?
Yes, Conduit Fill Pro is currently offered for free with no visible subscription gates or in-app purchases.

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 Conduit Fill Pro, 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. “Conduit Fill Pro Intelligence Report.” Updated Oct 2, 2026. https://marlvel.ai/apps/conduit-fill-pro

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