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Electrical Formulator vs its rivals

Side-by-side comparison against Electrical Formulator's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Electrical Formulator
This App
Electrical Calculations
Nemesis
Ugly's Electrical References
Contender
Voltage Drop Calculator.
Peer
Core Identity
DeveloperHistorycentral.comEgal Net di Ettore GallinaInformed PublishingV PUGAZHENTHI
CategoryProductivityProductivityProductivityUtilities
PlatformiOSiOS, AndroidiOS, AndroidiOS
Store Metrics
Rating5.0 / 54.6 / 54.4 / 54.6 / 5
Ratings Count11241,449411
PriceFreeFree$12.99Free
Release DateDec 14, 2008Jun 6, 2015Dec 9, 2016Feb 10, 2017
Last UpdatedJun 9, 2025Mar 3, 2026Apr 2, 2026Jan 30, 2026
Sentiment & Reviews
Sentimentterrible-mixed-
Score15/100-35/100-
Praises
  • Educational utility during apprenticeship training provides significant value for students learning electrical and instrumentation concepts
-
  • Comprehensive electrical reference material provides essential field support for journeyman and apprentice electricians
-
Complaints
  • Inaccurate calculation results lead to professional embarrassment and distrust in the reliability of the provided formulas
  • Technical failures prevent the application from launching or updating correctly on the device after installation
  • Poor user interface design makes navigating the extensive list of formulas confusing and inefficient for daily use
-
  • Aggressive review solicitation interrupts professional workflow and creates significant user frustration
-
Requests
  • Logical categorization of electrical formulas to improve navigation speed and reduce the need for long scrolling
-
  • Zoomable page functionality would improve readability for users with visual impairments
-
Strategic Intel
Strengths
  • Automatic calculation saving creates persistent user database
  • Multi-platform utility for field, lab, and classroom
-
  • Official NEC content licensing creates a high-trust barrier against non-specialized reference apps.
  • Offline-first architecture ensures utility in remote job sites where connectivity is unreliable.
  • Volume purchase program provides a B2B distribution channel into electrical contracting firms.
-
Weaknesses
  • High-frequency reports of inaccurate calculation outputs
  • 15-review sample size indicates low market penetration
  • Persistent launch failures following the latest update
-
  • Aggressive review prompts surfacing on every launch drive negative sentiment and churn.
  • Search functionality requires exact terminology, limiting usability for non-expert users.
  • Technical regressions in the latest update broke video playback and removed critical tables.
-
Pricingfreemiumfreemiumpaidfree
MomentumMaintenanceActiveMaintenance-
Update Cadence5 versions5 versions3 versions, 2 majors/6mo, ~44d avg-

Compare Electrical Formulator head-to-head

Disclosure: Independent intel to help mobile builders succeed.

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

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