Best Decuple Calc Apps

201+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated June 2026

Finding the right decuple calc app can be overwhelming with so many options. We've analyzed 201+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Decuple Calc

Calculator - Simple & Basic#2

Calculator - Simple & Basic by The App Tower Inc.

Strong Contender
๐Ÿ”ง Utilities
4.5๐Ÿ˜(146K ratings)
FreeAdsIn-App Purchases
Calculator - Simple & Basic screenshot 1
Calculator - Simple & Basic screenshot 2
Calculator - Simple & Basic screenshot 3
Calculator - Simple & Basic screenshot 4
Calculator - Simple & Basic screenshot 5

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐ŸŽจ Customizable backgrounds
  • ๐Ÿ’ฏ Accurate calculations
  • ๐Ÿ†’ Unique design

Room to Improve

  • ๐Ÿ’ธ Ads disrupt usage
  • ๐Ÿ”’ Requires payment to remove ads
  • ๐Ÿ”€ Cannot rotate to landscape mode
Calculator HD Pro Lite#3

Calculator HD Pro Lite by Cider Software LLC

Basic & Scientific Calc
Worth Considering
๐Ÿ”ง Utilities
4.6๐Ÿ˜Š(51K ratings)
FreeAds
Calculator HD Pro Lite screenshot 1
Calculator HD Pro Lite screenshot 2
Calculator HD Pro Lite screenshot 3
Calculator HD Pro Lite screenshot 4
Calculator HD Pro Lite screenshot 5

This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿ“ Keeps calculation history
  • ๐Ÿ’ก Customizable layout and themes
  • ๐Ÿ”ข Large, clear numbers

Room to Improve

  • ๐Ÿ’ข Intrusive ads, especially between calculations
  • ๐Ÿ™„ Ads that are difficult to close
  • ๐Ÿคฆโ€โ™‚๏ธ Ads that interrupt workflow

More Decuple Calc apps to explore

4
Calculatorโ‚Š
Calculatorโ‚Š
Calculatorโ‚Š
Basic, Scientific, Plus Calc
Free

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition
๐Ÿ”ง Utilities
(1.7M)
free with in-app purchases
5
Calculator - Free Calculator
Calculator - Free Calculator
Calculator - Free Calculator
by ็ฅฅ็ฅŽ ๅˆ˜
Free

A straightforward and reliable calculator application designed for iPad and iOS 9. It offers a standard calculation experience with a charming piano sound effect and is optimized for high-resolution screens.

Standard calculator functionalityOptimized for iPad & iOS 9High-resolution screen optimization
๐Ÿ”ง Utilities
(1.4K)
free
6
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
๐Ÿ”ง Utilities
(243K)
free with in-app purchases
7
Calculatorโผ
Calculatorโผ
Calculatorโผ
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
๐Ÿ”ง Utilities
(357K)
free with in-app purchases
8
Calculator for iPadโ‚Š
Calculator for iPadโ‚Š
Calculator for iPadโ‚Š
Basic, Scientific, Plus Calc
Free

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.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
๐Ÿ”ง Utilities
(126K)
free with in-app purchases
9
Compound Interest Calc
Compound Interest Calc
Compound Interest Calc
Plan | Invest | Retire
Free

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

Calculate investment growth with contributionsPlan retirement withdrawals with inflationInteractive growth and depletion charts
๐Ÿ’ฐ Finance
(6.4K)
free with in-app purchases
10
Calculator HD Pro
Calculator HD Pro
Calculator HD Pro
Basic & Scientific Calc
$9.99

This app offers a powerful and customizable calculator experience with a dual-line display for seeing input and results simultaneously. Save and organize your calculations with history, labeling, and email options. Personalize layouts, themes, and fonts for a comfortable and efficient user experience.

Dual-line displayMulti-line inputCalculation history
๐Ÿ”ง Utilities
(11K)
free with in-app purchases
11
Calculator 3.0
Calculator 3.0
Calculator 3.0
Calculations Simplified
Free

A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.

Customizable themesScientific calculatorUnit converter
๐Ÿ”ง Utilities
(3.5K)
free
12
Photomath
Photomath
Photomath
Learn math, step-by-step
Free

Scan any math problem to receive instant, step-by-step explanations and accurate solutions. This app breaks down complex problems into manageable steps, helping users understand the 'how' and 'why' of math. It supports a wide range of math topics, from basic arithmetic to advanced calculus.

Scan math problemsStep-by-step explanationsWord problem solver
๐Ÿ“š Education
(733K)
free with in-app purchases
13
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
๐Ÿ”ง Utilities
(268)
ad-supported
14
CALC Smart Calculator ยฑ
CALC Smart Calculator ยฑ
CALC Smart Calculator ยฑ
Basic ยซ Scientific ยป Advanced
Free
$5.99 | 100% OFF

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.

Real-time resultsUnit and currency conversionsCustom functions and constants
๐Ÿ”ง Utilities
(2.4K)
free with in-app purchases
15
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
The Best Calculator - Calc Pro
10 Powerful Calculators
Free

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.

10 powerful calculators (Standard, Scientific, Graphing, etc.)10 financial worksheets (Mortgage, Loan, Compound Interest, etc.)Unit Converter with 3000+ conversions
๐Ÿ”ง Utilities
(4.6K)
free with in-app purchases
16
MathMaster: Math Solver & Help
MathMaster: Math Solver & Help
MathMaster: Math Solver & Help
Homework Helper & AI Tutor
Free

Solve math problems instantly by taking a photo or entering an equation. Get step-by-step solutions to understand the process and improve your math skills. Covers a wide range of topics from basic arithmetic to calculus.

Camera-based problem solvingStep-by-step solutionsHandwritten and printed math recognition
๐Ÿ“š Education
(12K)
free with in-app purchases
17
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
๐Ÿ”ง Utilities
(213)
free with in-app purchases
18
Color Calculator-smart&cute
Color Calculator-smart&cute
Color Calculator-smart&cute
Cute calculator app with theme
Free

This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.

60+ free cute and colorful themesExclusive dynamic and special themesScientific & Standard calculator modes
๐Ÿ”ง Utilities
(15K)
freemium
19
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
๐Ÿ”ง Utilities
(3.1K)
free with in-app purchases
20
Brilliant: Learn Math & Coding
Brilliant: Learn Math & Coding
Brilliant: Learn Math & Coding
Your personal tutor
Free

Master math and computer science through interactive, visual lessons. This app focuses on active problem-solving and personalized practice to build critical thinking and STEM skills. Ideal for students and lifelong learners seeking to deepen their understanding and confidence.

Interactive problem-solving lessonsPersonalized practice setsVisual explanations of concepts
๐Ÿ“š Education
(30K)
free with in-app purchases