Best The Kva Calc Apps

182+ iOS apps curated and reviewed

4.5 avg rating
15 free apps
Updated May 2026

The best the kva calc apps on iPhone average 4.5★ across 182+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top The Kva Calc Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The kVA CalcThe kVA CalcFreeNoYesMay 2026
2Calculator +Calculator +Free4.6★ (9.6K)YesYesJul 2026
3CALC Smart Calculator ±CALC Smart Calculator ±Free was $5.994.8★ (2.4K)NoYesJul 2026
4PCalc LitePCalc LiteFree4.4★ (214)NoYesJul 2026
5kVA CalculatorkVA CalculatorFree was $0.994.4★ (11)YesNoMay 2026
6Taculator 84 Graphing CalcTaculator 84 Graphing CalcFree4.5★ (7.5K)NoYesJul 2026
7Ohms Law Calc.Ohms Law Calc.Free4.7★ (1.3K)YesYesJul 2026
8PCalcPCalc$9.994.7★ (758)NoYesJul 2026

Top Picks for The Kva Calc

Calculator +#2

Calculator + by xNeat.com

Scientific Calc Plus Fraction
Strong Contender
🔧 Utilities
4.6😊(9.6K ratings)
FreeAdsIn-App Purchases
Calculator + screenshot 1

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

What We Love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app

Room to Improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
CALC Smart Calculator ±#3

CALC Smart Calculator ± by QApps LLC

Basic « Scientific » Advanced
Worth Considering
🔧 Utilities
4.8😞(2.4K ratings)
FreeIn-App Purchases
CALC Smart Calculator ± screenshot 1
CALC Smart Calculator ± screenshot 2
CALC Smart Calculator ± screenshot 3
CALC Smart Calculator ± screenshot 4
CALC Smart Calculator ± screenshot 5
CALC Smart Calculator ± screenshot 6

This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.

What We Love

  • 💻 Excellent calculator functionality
  • 🎨 Beautiful and clean interface
  • 🔢 Displays full calculation history
  • 🔍 Useful conversion tools

Room to Improve

  • 💰 Subscription model introduced
  • 🔒 Restricted features behind paywall
  • 📊 Calculation bugs and inaccuracies

More The Kva Calc apps to explore

4
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

Optional RPN modeMultiple undo and redoUnit conversions and constants
🔧 Utilities
(214)
free with in-app purchases
5
kVA Calculator
kVA Calculator
kVA Calculator
kVA kW Amps Power Factor Volts
Free
$0.99 | 100% OFF

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.

Calculate kVA, kW, Amps, Volts, Power FactorSingle Phase CalculationsThree Phase Calculations
🔧 Utilities
(11)
ad-supported
6
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Statistics, Matrix + Graph
Free

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Scientific and advanced math functionsHigh-resolution graphing and plottingMatrix operations and storage
📚 Education
(7.5K)
free with in-app purchases
7
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

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.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
🔧 Utilities
(1.3K)
free with in-app purchases
8
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

Optional RPN modeMulti-line displayExtensive unit conversions
🔧 Utilities
(758)
free with in-app purchases
9
EduCalc Classic
EduCalc Classic
EduCalc Classic
by William Jockusch
Free

This app functions as a powerful graphing calculator with extensive scientific functions, unit conversion, and a built-in math and science reference. It supports graphing multiple equations, polar coordinates, and implicit functions, making it ideal for complex calculations and homework.

Scientific calculator with advanced functionsGraphing up to four equations simultaneouslyUnit converter for various physical quantities
📚 Education
(299)
free with in-app purchases
10
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Formula editing with cursor and swipeReuse past formulasVariable memory for calculations
🔧 Utilities
(1.9K)
ad-supported
11
Calc
Calc
Calc
by Mike Wesemann
Free

A visually appealing and straightforward calculator app for iPhone and iPad. It offers a unique user interface with support for basic and scientific calculations, various number base conversions, and currency and unit conversions.

Universal app for iPhone and iPadBasic and scientific calculationsNumber base conversions (decimal, hex, binary, octal)
🔧 Utilities
(28)
free
12
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
Basic Calculator: Classic Calc
big buttons and wallpapers
Free

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

Large, easy-to-press buttonsMultiple beautiful skinsBasic arithmetic operations
🔧 Utilities
(3.1K)
free with in-app purchases
13
i41CX+
i41CX+
i41CX+
RPN Calc with Printer and CAS
$24.99

This advanced RPN scientific calculator offers workstation-class Computer Algebra System (CAS) capabilities, going beyond traditional replicas. It provides access to an extensive library of modules and programs, enhanced with iOS features, customizable skins, and iCloud support for seamless data management.

RPN logic with 4-element stackExtensive memory registersOver 400 built-in functions
📊 Productivity
(104)
paid
14
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions
📚 Education
(3.8K)
paid
15
SolveLab AI - Smart & Fast
SolveLab AI - Smart & Fast
SolveLab AI - Smart & Fast
Photo Solver & Life Utilities
Free

This app acts as an everyday math assistant, offering solutions for study, work, and life. It can solve math problems by photo, perform handwritten calculations, and includes utilities like unit conversion and BMI tracking.

Photo problem solver with step-by-step solutionsHandwriting pad for real-time equation solvingScientific calculator for complex math
🔧 Utilities
(498)
free with in-app purchases
16
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.2K)
free with in-app purchases
17
BA II Plus™ Financial Calc
BA II Plus™ Financial Calc
BA II Plus™ Financial Calc
by Texas Instruments
$14.99

This app emulates the functionality of a powerful financial calculator, offering a comprehensive suite of tools for time-value-of-money calculations, cash-flow analysis, bond valuation, and statistical functions. It's designed for business professionals and students needing advanced financial computation capabilities.

Time-Value-of-Money (TVM) calculationsAmortization schedulesCash-flow analysis (IRR, NPV)
💰 Finance
(110)
paid
18
Calc Pro - Simple and Useful
Calc Pro - Simple and Useful
Calc Pro - Simple and Useful
This is a powerful calculator
Free

This powerful calculator handles complex equations and huge numbers with up to 15 digits of precision. It saves your calculation history, allowing you to reuse previous equations and answers. Access scientific functions like square root and logarithms easily with a swipe.

Complex calculationsHuge number handlingCalculation history
🔧 Utilities
(5)
ad-supported
19
Calc: Multiline calculator
Calc: Multiline calculator
Calc: Multiline calculator
Quick calculator
Free

This app offers instant calculations as you type, eliminating the need for an equals button. Its notepad-style interface allows for multiple calculations at once, with smart result reuse for efficiency. It's a free, user-friendly tool for everyday math, schoolwork, and professional tasks.

Instant calculation as you typeMultiline input for multiple problemsSmart result reuse
🔧 Utilities
(29)
free
20
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Symbolab - AI Math Solver App
Solucionador Matemático
Free

Solve any math problem by typing it in or taking a photo. Get step-by-step solutions for subjects from pre-algebra to calculus. This AI-powered tool offers personalized learning and insights for over 300 million users.

Photo math solverStep-by-step solutionsCalculus calculator
📚 Education
(26K)
free with in-app purchases

FAQ about The Kva Calc

Are there free the kva calc apps for iPhone?
Yes — 15 of the top the kva calc apps we rank are free to download, including The kVA Calc and Calculator +.
The kVA Calc has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 182+ the kva calc apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.