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Best Coil Calculator App

219+ iOS apps curated and reviewed

4.7 avg rating
18 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our coil calculator app list covers 219+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Coil Calculator App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoAug 2026
2Calculator for iPad₊Calculator for iPad₊Free4.5★ (126K)YesYesAug 2026
3ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (13K)YesYesAug 2026
4Calculator +Calculator +Free4.6★ (9.6K)YesYesAug 2026
5Scientific Calculator Plus 991Scientific Calculator Plus 991Free4.7★ (12K)YesYesAug 2026
6Calculator!Calculator!$0.994.8★ (4.3K)NoYesAug 2026
7Calculator with History +Calculator with History +Free4.7★ (25K)NoYesAug 2026
8Stainless Coil CalculatorStainless Coil CalculatorFree5.0★ (1)YesNoMay 2026

Top Picks for Coil Calculator App

Calculator for iPad!#1

Calculator for iPad! by 7th Gear

Basic & Scientific Calculator
Editor's Choice
🔧 Utilities
4.7😊(60K ratings)
Free
Calculator for iPad! screenshot 1
Calculator for iPad! screenshot 2
Calculator for iPad! screenshot 3
Calculator for iPad! screenshot 4

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

What We Love

  • 📐 Versatile calculator with basic and scientific modes
  • 📝 Useful note-taking and calculation history features
  • 🎨 Customizable color schemes
  • 💻 Works well on both iPad and iPhone

Room to Improve

  • 💰 Ads can be intrusive in free version
  • 🔒 Lack of transparency around in-app purchases
  • 🔍 Difficulty finding and accessing premium features
Calculator for iPad₊#2

Calculator for iPad₊ by Impala Studios

Basic, Scientific, Plus Calc
Strong Contender
🔧 Utilities
4.5😞(126K ratings)
FreeAdsIn-App Purchases
Calculator for iPad₊ screenshot 1
Calculator for iPad₊ screenshot 2
Calculator for iPad₊ screenshot 3
Calculator for iPad₊ screenshot 4
Calculator for iPad₊ screenshot 5

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

What We Love

  • 🚀 Helpful for math calculations
  • 👍 Variety of functions beyond basic calculator
  • 👍 Useful for students and teachers

Room to Improve

  • 🙄 Excessive ads and pop-ups
  • 💰 Expensive subscription to remove ads
  • 🐛 Occasional calculation errors
ClevCalc - Calculator#3

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Worth Considering
📊 Productivity
4.7😊(13K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
ClevCalc - Calculator screenshot 4
ClevCalc - Calculator screenshot 5
ClevCalc - Calculator screenshot 6

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient calculations
  • 💡 Versatile features (currency, unit conversions, etc.)
  • 👍 Intuitive interface

Room to Improve

  • 💰 Subscription model too expensive
  • 🔍 Ads can be intrusive
  • 🐛 Occasional UI issues (e.g. ads blocking functionality)

More Coil Calculator App apps to explore

4
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

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.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(9.6K)
free with in-app purchases
5
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
NCalc & CalcES Calculator 115
Free

This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.

Natural display inputGraphing moduleFormula library
📚 Education
(12K)
free with in-app purchases
6
Calculator!
Calculator!
Calculator!
by 7th Gear
$0.99

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation
🔧 Utilities
(4.3K)
free with in-app purchases
7
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(25K)
free with in-app purchases
8
Stainless Coil Calculator
Stainless Coil Calculator
Stainless Coil Calculator
Calculator: Length & Weight
Free

Easily calculate the weight or length of stainless steel coils. This tool supports calculations based on alloy composition and allows for seamless switching between metric and imperial units.

Weight calculationLength calculationAlloy composition input
🔧 Utilities
(1)
ad-supported
9
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Basic & Scientific CalculatorLive Currency ConverterHistory Tape
🔧 Utilities
(357K)
free with in-app purchases
10
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

Customizable themes and colorsDual-line displayCalculation history
🔧 Utilities
(3K)
ad-supported
11
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.

High precision calculation engineResults displayed while typingMultiple undo functionality
🔧 Utilities
(268)
ad-supported
12
Calculator X: Math for iPad
Calculator X: Math for iPad
Calculator X: Math for iPad
Smart History, Plus Scientific
Free

This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.

Basic & Easy to UseHistory of CalculationsEdit Equation
💰 Finance
(6.2K)
free with in-app purchases
13
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
14
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
(3.2K)
free with in-app purchases
15
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
16
Calcbot 2
Calcbot 2
Calcbot 2
Calculator and Unit Converter
Free

This app offers a smart calculator with a history tape and expression view to track your calculations. It includes over 500 unit conversions and scientific functions, with an Apple Watch extension for on-the-go use.

History tape for saved calculationsExpression view for typed inputOver 500 unit conversions
🔧 Utilities
(11K)
free with in-app purchases
17
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.

Large buttonsDual-line display18 color themes
🔧 Utilities
(13K)
ad-supported
18
Calculator Pro Elite
Calculator Pro Elite
Calculator Pro Elite
Best Calculator
$9.99

A highly customizable calculator app offering a modern interface and powerful features. Personalize themes, button layouts, and visual elements to your preference. Track and save calculations with a detailed history, and access scientific functions when needed.

Customizable themes with gradients, colors, or photosMultiple button shapes and color customizationDual-line display for input and result
🔧 Utilities
(2K)
free with in-app purchases
19
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

Instant refrigerant charge calculatorSuperheat calculator (non-TXV)Subcooling calculator (TXV)
🔍 Reference
(17K)
free
20
Calculator +ㅤ
Calculator +ㅤ
Calculator +ㅤ
Math, Scientific & Fraction
Free

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Snap and Scribble CalculatorBasic CalculatorScientific Calculator
🔧 Utilities
(4.5K)
subscription

FAQ about Coil Calculator App

What is the best coil calculator app for iPhone?
Calculator for iPad! tops our coil calculator app ranking as of June 2026, with a 4.7-star average from 60K App Store ratings, and it's free to download.
Yes — 18 of the top coil calculator app we rank are free to download, including Calculator for iPad! and Calculator for iPad₊.
Calculator for iPad! has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 219+ coil calculator app on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides both a basic and a scientific calculator for your iPad or iPhone. It allows for complex calculations with over 30 scientific operations, supports high accuracy up to 75 significant digits, and includes features like note-taking and a history of your calculations.
Key features include a choice between basic and scientific modes, over 30 scientific operations, the ability to customize the app's look on iPad, a dedicated tab for notes and drawing, and a history tab to view and edit past calculations. It also supports nested parentheses and high-precision calculations.