Comparison

Ohms Law Calc. vs Enegrin

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ohms Law Calc.

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

Highlights
  • Ohm's Law calculations
  • Voltage drop calculator
  • Wire size calculator
  • Impedance calculations (R, L, C)
  • Electrical unit converters
  • Power and current conversions
  • Circuit design tools
Features
Read full description

Ohm's Law Calc. consists of 60 Electrical Calculators with Formulas and Circuits and 16 Electrical Converters. • Voltage Calculator • Current Calculator • Resistance Calculator • Power Calculator • Voltage Drop Calculator • Wire Size Calculator • DC Generator Calculator • Transformer Calculations (Voltage & Current) Impedance Calculators Calculate impedance for combinations of resistors (R), inductors (L), and capacitors (C) in both series and parallel configurations: • R and L in Series / Parallel • R and C in Series / Parallel • L and C in Series / Parallel • R, L and C in Series / Parallel Power and Current Conversions • kVA to Amps (Single Phase & Three Phase) • Amps to kVA (Single Phase & Three Phase) • Single Phase & Three Phase Power Calculators • Horsepower Calculators (DC, Single Phase, Three Phase) Efficiency and Power Factor Tools • Efficiency Calculators (DC, Single Phase, Three Phase) • Power Factor Calculators (Single Phase & Three Phase) Energy Storage Calculators • Energy Cost Calculator • Energy Storage Calculators (Resistance, Inductance, Capacitance) Circuit Design Tools • Star-to-Delta and Delta-to-Star Conversions • Inductive & Capacitive Reactance Calculators • Resonant Frequency Calculator • Inductor and Capacitor Sizing Equations Component Calculations • Series and Parallel Calculators for Resistance, Inductance, and Capacitance • Unknown Resistance and Capacitance Calculators (Series & Parallel) More Calculations • Neutral Current (3-Phase Unbalanced Loads) • Characteristic Impedance (Parallel & Coaxial) • Transformer Calculator • Voltage Divider Calculator Illumination Calculators • Luminous Intensity Calculator • Luminous Flux Calculator • Solid Angle Calculator Electrical Converters • Field Strength Converter • Electrical Potential Converter • Resistance and Resistivity Converters • Conductance and Conductivity Converters • Capacitance and Inductance Converters • Charge Converters: Handles conversions for electrical charge, including: • Linear Charge Density • Surface Charge Density • Volume Charge Density • Linear Current Density • Surface Current Density • Power Converter App works with both iPhones, iPads and Mac Multiple Unit Compatibility: Supports a wide range of units for all electrical parameters, including Ohms, kiloOhms, Farads, Henrys, kVA, Volts, Weber, and more.

About

Enegrin

Features
Read full description

Enegrin BESS pone el control de tu energía en la palma de tu mano. Monitorea en tiempo real tu sistema de almacenamiento de energía (BESS), analiza tu consumo y descubre cuánto estás ahorrando, desde cualquier parte del mundo. Especializados en soluciones de energía agropecuaria e industrial, te damos visibilidad total de tu instalación en una sola app. QUÉ PUEDES HACER • Monitoreo en tiempo real: estado de carga, potencia y flujo de energía de tu sistema BESS al instante. • Facturación CFE clara: revisa conceptos, demanda y factor de potencia, y entiende tu recibo sin complicaciones. • Calidad de energía bajo control: voltaje, armónicos y factor de potencia siempre vigilados. • Proyección de ahorros: visualiza cuánto ahorras en pesos con tu sistema Enegrin y proyecta tu retorno. • Consumo a detalle: entérate de cuánto consumes y cuándo, para tomar mejores decisiones. • Alertas inteligentes: recibe notificaciones críticas si el sistema o el servidor de monitoreo necesita atención. • Multi-localización: administra varias plantas o sitios desde un mismo lugar. POR QUÉ ENEGRIN Ahorra electricidad y dinero con información confiable y actualizada al momento. Toma decisiones basadas en datos reales de tu sistema de almacenamiento, ya sea en el campo o en la industria. Descarga Enegrin y lleva el control de tu energía contigo, siempre.

Screenshots

Ohms Law Calc.4 screens
Enegrin4 screens

Verdict

The call

The clearest difference is in-app purchases: Enegrin at none against Ohms Law Calc.'s 1. Enegrin also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.6). Ohms Law Calc.'s advantage is update cadence (every 2 months vs every 19 months). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Ohms Law Calc. sells 1 one-off in-app purchase. Enegrin asks for nothing beyond the download.

UpkeepUpdate frequency

Ohms Law Calc. ships an update every 2 months, Enegrin every 19 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Ohms Law Calc. versus Enegrin: the parameters behind the verdict, then further details
ParameterOhms Law Calc.Enegrin
PriceFreeFree
Rating4.7 (1.3K ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1.3K — better—
Update frequencyEvery 2 months — betterEvery 19 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size59 MB37 MB
Age rating4+4+
DeveloperV PUGAZHENTHICIDTcor

Bugs and requests

Ohms Law Calc.

Reported bugs

3 issues
  • Paid version not unlocking
  • Repeatedly prompting for payment after already paid
  • Keyboard overlaying results making it difficult to see

Requested features

3 requests
  • Add more electrical conversions and calculations
  • Add ability to input voltage and resistance to get amps and watts
  • Add kVA, rms, and other popular needed conversions

Enegrin

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Ohms Law Calc.

One-time1
  • Ohms Law Calc.$3.99
None

Enegrin

No in-app purchases

Questions

Is Ohms Law Calc. free?
Ohms Law Calc. is free to download, with in-app purchases available.
Is Enegrin free?
Enegrin is free to download, with no in-app purchases.
Do Ohms Law Calc. or Enegrin have ads?
Ohms Law Calc. shows ads; Enegrin does not.
Which is updated more often, Ohms Law Calc. or Enegrin?
Ohms Law Calc. ships an update every 2 months, and Enegrin every 19 months. Most recently, Ohms Law Calc. was updated on October 29, 2026 and Enegrin on October 24, 2026.

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