Best 1 Pa A Kpa Abs Apps

191+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

Every iPhone needs a few good 1 pa a kpa abs apps. We benchmark 191+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for 1 Pa A Kpa Abs

Conversion Calculator !#1

Conversion Calculator ! by oWorld Software

Currency, Temperature, Length
Editor's Choice
📊 Productivity
4.6😐(13K ratings)
FreeAdsIn-App Purchases
Conversion Calculator ! screenshot 1
Conversion Calculator ! screenshot 2
Conversion Calculator ! screenshot 3
Conversion Calculator ! screenshot 4
Conversion Calculator ! screenshot 5
Conversion Calculator ! screenshot 6

Easily convert units of measurement with this user-friendly app. Say goodbye to complex calculations and simplify your unit conversions today!

What We Love

  • 🚀 Easy to use
  • 🚀 Comprehensive unit conversions
  • 👍 Helpful app
  • 👍 Practical for engineering and mechanics

Room to Improve

  • 🔍 Too many ads
  • 🔍 Ads make the app unusable
  • 🔍 Ads are invasive and disrupt user experience
Units - Pro Unit Converter#2

Units - Pro Unit Converter by Homegrown Software Ltd

Strong Contender
🔧 Utilities
3.6😐(150 ratings)
FreeAdsIn-App Purchases
Units - Pro Unit Converter screenshot 1
Units - Pro Unit Converter screenshot 2
Units - Pro Unit Converter screenshot 3

This free app is a versatile unit converter with the ability to convert hundreds of units across various categories, including currency. Users can customize their conversion workflow by hiding unused units and reordering categories. The app is available on iPhones, iPod touches, and iPads.

What We Love

  • 🚀 Efficient and fast conversions
  • 👍 Comprehensive list of units
  • 🔍 Customizable unit selection
  • 💰 Free app with optional paid version

Room to Improve

  • 🐛 Crashes and stability issues
  • 🕰️ Outdated currency conversion rates
  • 🔍 Too many unit categories, hard to navigate
Calculator₊#3

Calculator₊ by Impala Studios

Basic, Scientific, Plus Calc
Worth Considering
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
#95in Utilities
Calculator₊ screenshot 1
Calculator₊ screenshot 2
Calculator₊ screenshot 3
Calculator₊ screenshot 4
Calculator₊ screenshot 5
Calculator₊ screenshot 6

Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

What We Love

  • 💻 Useful calculator features
  • 🎨 Customizable backgrounds and themes
  • 📚 Helpful history tracking

Room to Improve

  • 📺 Intrusive full-screen ads
  • 💰 Expensive subscription model
  • 🔍 Ads blocking calculator functionality

More 1 Pa A Kpa Abs apps to explore

4
EduCalc Classic
EduCalc Classic
EduCalc Classic
by William Jockusch
Free

A versatile graphing calculator app with advanced scientific functions, graphing capabilities, unit conversion, constants, table generation, educational resources, and statistical tools. Perfect for students and professionals in math and science fields. Discover a world of mathematical possibilities in one convenient tool.

📚 Education
(299)
5
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
Basic, Scientific & Photo Math
Free

A cutting-edge AI math solver app that uses image recognition to solve math problems by simply taking a photo. No need to struggle with complex equations - just snap a picture and get instant solutions. Revolutionize your math experience today!

🔧 Utilities
(81K)
6
CalConvert: Currency Converter
CalConvert: Currency Converter
CalConvert: Currency Converter
Calculator & Unit Conversion $
Free

Convert currencies easily and efficiently with this intuitive currency converter app. Simply input the amount and select the currencies you want to convert between, making international transactions a breeze. Download now to streamline your currency conversions.

✈️ Travel
(6.4K)
7
Fraction Calculator
Fraction Calculator
Fraction Calculator
Decimal Plus Units Converter
Free

This ad-free fraction calculator offers an award-winning tool for accurately performing calculations involving feet, inches, and fractions. Simplify your math tasks with precision and efficiency.

📊 Productivity
(90)
8
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Unit Converter: Mila's Tools
Metric Conversion Calculator +
Free

Experience quick and easy unit conversions with a free, fast, and elegant calculator tool from Mila's Tools. Convert various units such as Area, Bits, Bytes, Length, Temperature, and more effortlessly. Try it out now for hassle-free conversions!

🔧 Utilities
(1.3K)
9
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

Experience the ultimate mobile calculator with 10 powerful calculators and financial worksheets, trusted by millions worldwide for its unrivaled accuracy and advanced features. From standard and scientific calculators to unit converters and graphing tools, this app has it all. Get it now for advanced calculations at your fingertips!

🔧 Utilities
(4.6K)
10
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

🔧 Utilities
(357K)
11
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!

🔧 Utilities
(126K)
12
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)
13
GraphNCalc83
GraphNCalc83
GraphNCalc83
Graphing calculator
$12.99

The app is a comprehensive graphing calculator that features algebraic entry, math functions, graph plotting, statistics, matrix operations, unit conversion, BASIC programming, chemistry tools, geometry calculations, finance functions, and a built-in user guide for easy reference. It offers a colorful, fast, and fluid experience on iPhone and iPad with advanced features like touch input, high-resolution graph outputs, and fast computation speeds. Explore its diverse functionality to enhance your mathematical tasks.

📚 Education
(3.8K)
14
Convertible: Unit Converter
Convertible: Unit Converter
Convertible: Unit Converter
Currency and Unit Converter
Free

This application is a comprehensive unit converter that allows users to easily convert between various units of measurement, including standard and non-standard units, across multiple categories such as length, mass, area, and more. With its elegant interface, customizable themes, and unique features like fraction input and output, it helps users visualize and understand complex conversions in a fun and educational way, try it now!

🔧 Utilities
(97)
15
MyCalculatorClient
MyCalculatorClient
MyCalculatorClient
currency exchange
Free

A versatile application that combines a calculator with currency exchange functionality. Easily perform calculations and convert currencies on-the-go. Try it now for a seamless experience!

💼 Business
(669)
16
Map Area Calculator - Marea
Map Area Calculator - Marea
Map Area Calculator - Marea
Measure field & land with GPS
Free

Measure field area and perimeter on maps with precision using this advanced mapping tool. Simply draw the outline of your area on the map and get accurate calculations instantly. Try it now for easy and efficient land measurement!

🗺️ Navigation
(438)
17
Calculate84
Calculate84
Calculate84
Intended for use with TI-84
Free

A modern graphing calculator application designed for iPhone users, offering fast and interactive touch-screen graphing with intuitive features and intelligent error messages. Created by individuals who found existing graphing calculator apps lacking, it is continually improved with feedback from students. Visit the app's website for Privacy Policy and Terms of Use.

📚 Education
(52K)
18
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

🔍 Reference
(16K)
19
Fraction Calculator PRO #1
Fraction Calculator PRO #1
Fraction Calculator PRO #1
Decimal to Fractions Converter
$3.99

Calculate fractions effortlessly with our advanced Fraction Calculator PRO app. Simplify complex fractions and equations with ease. Download now for a seamless fraction-solving experience!

📊 Productivity
(752)
20
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

Calculate complex mathematical equations effortlessly with this intuitive app. Simplify your calculations on the go with advanced features like graph plotting and equation solving. Download now to supercharge your math skills!

🔧 Utilities
(36K)