Comparison

kVA Calculator vs Electrical Calculator

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

Head to head
About

kVA Calculator

Easily calculate and convert electrical values like kVA, kW, Amps, Volts, and Power Factor. Supports both single and three-phase calculations for engineers working with power systems.

Highlights
  • Calculate kVA, kW, Amps, Volts, Power Factor
  • Single Phase Calculations
  • Three Phase Calculations
  • Convert between electrical units
  • Intuitive input for two values to find the third
Features
Read full description

This kVA Calculator is the essential electrical calculator for electricians and engineers. Quickly convert or calculate kVA, kW and Power Factor or kVA, Volts and Amps — no more manual formula lookups. Perfect for converting kVA to Amps, or kW to KVA when sizing generators or UPS systems. Includes Single Phase and Three Phase, kW and kVA electrical calculations. Enter any two values to calculate the third. kVA Single Phase (1-Phase) Calculations: - Calculate kVA. - Calculate Volts. - Calculate Amps. kVA Three Phase (3-Phase) Calculations: - Calculate kVA. - Calculate Volts. - Calculate Amps. kVA, Power Factor & kW Calculations: - Calculate kVA. - Calculate Power Factor. - Calculate kW. Electrical units are measured in the following: Current (I) = Amps. Power (P) = Watts (or kW). Volts (V) = Voltage. Supports dark mode and 16 languages. Simple, fast, and accurate — the kVA calculator you'll reach for every day. Trusted by the professionals since 2011.

About

Electrical Calculator

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

Highlights
  • Over 65 electrical calculation tools
  • Resistor color code calculators
  • Upgraded voltage drop calculations
  • Wire size calculations
  • Series/parallel circuit calculations
  • Energy cost calculator
  • Unit conversions
Features
Read full description

Electrical Calculator is your all-in-one app for fast, accurate, and essential electrical calculations. Packed with 60+ powerful tools, it's designed for electricians, electrical & electronics engineers, and students. Every calculator includes built-in formulas and supports both USCS and SI units. What's New: • Category filters — find any calculator in seconds with purpose-based groups: Ohm's Law, Wiring & NEC, Power & Phase, Motors, Transformers and more • Refreshed design with a cleaner look Core Calculators: • Voltage, Current, Resistance & Power (Ohm's Law) • kVA to Amps / Amps to kVA (Single & Three Phase) Electrical System Calculators: • Voltage Drop Calculator (per NEC/IEEE standards) • Wire Size Calculations (AWG & mm²) • Power, Current & Horsepower (DC, Single & Three Phase) • Efficiency & Power Factor Calculators • Neutral Current (3-Phase Unbalanced Loads) Transformers & Generators: • Transformer Current, Voltage & Resistance Imbalance • DC Generator Reactance & Impedance: • Inductive & Capacitive Reactance • Resonant Frequency • Characteristic Impedance (Parallel & Coaxial) • Impedance Calculators (R-L-C combinations) Series / Parallel Calculations: • Resistance, Inductance & Capacitance (Series & Parallel) • Unknown Resistance & Capacitance (Series & Parallel) Components: • Resistor Color Code — resistance to color bands and back • Inductor & Capacitor Sizing Formulas Lighting & Energy Tools: • Luminous Intensity, Luminous Flux & Solid Angle • Energy Cost Calculator • Energy Stored in Resistors, Inductors & Capacitors Conversions: • Star ↔ Delta Conversion • Field Strength & Electrical Potential • Resistance, Resistivity, Conductance & Conductivity • Capacitance, Inductance & Charge Density Converters • Power Converter Key Features: • Category filters for fast navigation • Flexible unit selection for inputs and outputs • Full iPad support with split view • Dark Mode and 12 languages • Clean interface for the field, the shop, and the classroom

Screenshots

kVA Calculator4 screens
Electrical Calculator4 screens

Verdict

The call

The clearest difference is price: kVA Calculator at Free against Electrical Calculator's $3.99. kVA Calculator also leads on iOS requirement (15.0 vs 17.6). Electrical Calculator's advantage is ads (none vs shown) and ratings volume (462 vs 12). On rating, update cadence, in-app purchases 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

kVA Calculator is free to download; Electrical Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Electrical Calculator holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Electrical Calculator has 462 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 42% of kVA Calculator's written reviews are positive against 53% of Electrical Calculator's.

UpkeepUpdate frequency

kVA Calculator ships an update every 6 months, Electrical Calculator every 4 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
kVA Calculator versus Electrical Calculator: the parameters behind the verdict, then further details
ParameterkVA CalculatorElectrical Calculator
PriceFree — better$3.99
Rating4.4 (12 ratings)4.6 (462 ratings) — better
Positive reviews41.7% of reviews53.3% of reviews — better
Number of ratings12462 — better
Update frequencyEvery 6 monthsEvery 4 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better17.6
Further details — not scored
Size10 MB18 MB
Age rating4+4+
DeveloperPro Certs Software LtdV PUGAZHENTHI

Customer experience

kVA Calculator

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews12 reviews
Positive41.7%
Neutral0.0%
Negative58.3%

Electrical Calculator

All ratings462 ratings
Positive90.3%
Neutral5.2%
Negative4.5%
Written reviews15 reviews
Positive53.3%
Neutral13.3%
Negative33.3%

Bugs and requests

kVA Calculator

Not enough reviews yet to summarise bugs or requests.

Electrical Calculator

Reported bugs

3 issues
  • Annoying popup for app update
  • Converter not working
  • App not working on older iPhone models

Requested features

2 requests
  • Include impedance calculators
  • Improve metric region compatibility for AWG cables

In-app purchases

None

kVA Calculator

No in-app purchases

None

Electrical Calculator

No in-app purchases

Questions

Is kVA Calculator free?
kVA Calculator is free to download, with no in-app purchases.
Is Electrical Calculator free?
Electrical Calculator costs $3.99, with no in-app purchases.
Which has better reviews, kVA Calculator or Electrical Calculator?
Electrical Calculator is rated higher. kVA Calculator averages 4.4 out of 5 from 12 ratings, while Electrical Calculator averages 4.6 from 462 ratings.
Do kVA Calculator or Electrical Calculator have ads?
kVA Calculator shows ads; Electrical Calculator does not.
Which is updated more often, kVA Calculator or Electrical Calculator?
kVA Calculator ships an update every 6 months, and Electrical Calculator every 4 months. Most recently, kVA Calculator was updated on October 24, 2026 and Electrical Calculator on October 29, 2026.

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