Best Decimals Apps & Games

195+ iOS apps & games curated and reviewed

3.8 avg rating
14 free apps & games
Updated May 2026

The best decimals apps on iPhone average 3.8★ across 195+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Decimals

Desmos Graphing Calculator#1

Desmos Graphing Calculator by Desmos, Inc.

Editor's Choice
📚 Education
4.3😊(1.3K ratings)
Free
Desmos Graphing Calculator screenshot 1
Desmos Graphing Calculator screenshot 2
Desmos Graphing Calculator screenshot 3
Desmos Graphing Calculator screenshot 4
Desmos Graphing Calculator screenshot 5
Desmos Graphing Calculator screenshot 6

Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.

What We Love

  • 🚀 Insane tool for FREE!
  • 🚀 Best mobile graphing app
  • 👍 Awesome for algebra and calculus
  • 👍 Genuinely an awesome resource

Room to Improve

  • 🐛 Crashes and bugs
  • 🐛 Glitches with certain features
  • 🐛 Loses saved data
Desmos Scientific Calculator#2

Desmos Scientific Calculator by Desmos, Inc.

Strong Contender
📚 Education
4.3(327 ratings)
Free
Desmos Scientific Calculator screenshot 1
Desmos Scientific Calculator screenshot 2
Desmos Scientific Calculator screenshot 3

This app offers a powerful scientific calculator with a wide range of functions for trigonometry, statistics, and combinatorics. Users can define and evaluate their own functions, assign values to variables, and view multiple expressions simultaneously. It works offline and is completely free to use.

Decimals to Fractions#3

Decimals to Fractions by JanoGroup LLC

Convert Decimals to Fractions
Worth Considering
📚 Education
4.9(11 ratings)
$1.99Ads
Decimals to Fractions screenshot 1
Decimals to Fractions screenshot 2
Decimals to Fractions screenshot 3

Easily convert between decimal and fraction formats with this offline tool. It offers a clean interface for quick calculations and includes a bonus percent calculator accessible via a short ad.

More Decimals apps to explore

4
Fraction Calculator-Decimal RA
Fraction Calculator-Decimal RA
Fraction Calculator-Decimal RA
Fraction Calculator & Tutor
Free

This tool performs all basic fraction operations, converts to decimals, and compares fractions. It offers a practice mode with a "wrong answer book" for targeted learning and is available in multiple languages.

Basic fraction operationsDecimal conversionFraction comparison
🔧 Utilities
(13)
ad-supported
5
Fraction Basics & Decimals
Fraction Basics & Decimals
Fraction Basics & Decimals
Zapzapmath Home Math Fractions
Free

This app uses animated videos to teach fundamental fraction concepts. It covers understanding fractions, improper and mixed fractions, equivalent fractions, and operations like addition, subtraction, multiplication, and division. It also includes lessons on converting fractions to percentages and decimals to fractions.

Animated video lessonsUnderstanding fractionsImproper and mixed fractions
📚 Education
(10)
free with in-app purchases
6
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Fraction Calculator Plus #1
Decimal to Fractions Converter
Free

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.

Add, subtract, multiply, and divide fractionsConvert fractions to decimalsAutomatically simplifies fractions
📊 Productivity
(22K)
free with in-app purchases
7
[ Matrix Calculator ]
[ Matrix Calculator ]
[ Matrix Calculator ]
Determinant, multiply and more
Free

Easily create and manipulate matrices with an intuitive interface. Features a unique transparent screen mode to simplify data entry from physical sources, making complex calculations feel as simple as using a basic calculator.

Intuitive matrix creationSwipe or button cell additionTransparent screen input mode
🔧 Utilities
(4)
free with in-app purchases
8
Decimal to Fraction Math Facts
Decimal to Fraction Math Facts
Decimal to Fraction Math Facts
Convert Decimals to Fractions
$6.99

Master the conversion between decimals, fractions, and percentages with this adaptive learning app. It offers a fun and frustration-free way to build number sense and fluency in mathematical concepts essential for various fields.

Decimal to Fraction conversionFraction to Decimal conversionFraction to Percent conversion
📚 Education
(8)
paid
9
6th Grade Practice Percent,Fractions and Decimals
6th Grade Practice Percent,Fractions and Decimals
6th Grade Practice Percent,Fractions and Decimals
חשבון לכיתה ו
Free
📚 Education
(1)
10
Fraction Calculator + Decimals
Fraction Calculator + Decimals
Fraction Calculator + Decimals
Includes Decimals to Fractions
Free

This app simplifies fraction calculations, offering conversions between fractions and decimals. It supports various fraction types and includes visual learning resources for homework help. Unlock advanced features through in-app purchases or a subscription.

Fraction to decimal conversionDecimal to fraction conversionFraction simplification
📊 Productivity
(293)
free with in-app purchases
11
bartleby: Math Homework Helper
bartleby: Math Homework Helper
bartleby: Math Homework Helper
Test Prep | Problem Solver
Free

Get expert help with your toughest homework assignments and problems. Access millions of step-by-step explanations and receive 24/7 Q&A support from subject matter experts. Study smarter with a vast digital library of resources.

8+ Million Step-by-Step Explanations24/7 Expert Q&A SupportDigital Database of Resources
📚 Education
(2.5K)
subscription
12
Decimals & Fractions
Decimals & Fractions
Decimals & Fractions
Learn maths with decimals
$4.99
📚 Education
(0)
13
Binary Decimal Converter
Binary Decimal Converter
Binary Decimal Converter
by Satish Boggarapu
Free

Easily convert numbers between Binary, Decimal, Hexadecimal, and Octal formats. This educational tool is designed for quick and accurate number system conversions.

Binary conversionDecimal conversionHexadecimal conversion
📚 Education
(68)
free with in-app purchases
14
Fractions & Decimals
Fractions & Decimals
Fractions & Decimals
by TicTapTech, LLC
$0.99

Practice a variety of fraction and decimal concepts through engaging activities. Learn to name, order, and convert between fractions and decimals with multiple choice and matching games.

Naming fractionsEquivalent fractionsOrdering fractions
📚 Education
(3)
paid
15
PocketCAS lite for Mathematics
PocketCAS lite for Mathematics
PocketCAS lite for Mathematics
Helps with Calculus + Algebra
Free

This advanced math application assists with a wide range of mathematical problems, from basic arithmetic to calculus, algebra, and statistics. It functions as a graphing calculator replacement, aids in homework, and supports complex calculations for academic and professional use.

2D and 3D plottingCalculus functions (limits, derivatives)Linear algebra operations
📚 Education
(188)
free
16
Decimal To Fraction Plus
Decimal To Fraction Plus
Decimal To Fraction Plus
by Manfred Breede
$1.99

Convert terminating and repeating decimals to fractions, and fractions to decimals. This tool simplifies mathematical conversions for users needing precise fractional representations.

Decimal to fraction conversionFraction to decimal conversionHandles terminating decimals
💼 Business
(2)
paid
17
Fractions/Decimals/Fractions
Fractions/Decimals/Fractions
Fractions/Decimals/Fractions
by Essence Computing
$0.99

This app helps users convert fractions to decimals and vice versa, providing detailed step-by-step explanations for each calculation. It can handle recurring decimals and negative fractions, making complex conversions understandable.

Fraction to decimal conversionDecimal to fraction conversionHandles recurring decimals
📚 Education
(4)
paid
18
iFraction Calculator
iFraction Calculator
iFraction Calculator
Calculator for fraction number
Free

This application simplifies fraction calculations for students, professionals, and anyone needing to work with fractions. It offers step-by-step explanations for equations and can handle both decimal and fraction inputs, converting between the two. The app supports large numbers and saves previous calculations for easy review.

Fraction math computation (add, subtract, multiply, divide)Step-by-step equation explanationDecimal and fraction calculation
📊 Productivity
(1.6K)
free with in-app purchases
19
Fractions to decimals games for kids 3rd graders math ideas
Fractions to decimals games for kids 3rd graders math ideas
Fractions to decimals games for kids 3rd graders math ideas
by Prathed Sangwongvanit
Free

This app offers free, fun math practice for children to improve their skills with decimals and fractions. It's designed to make learning math concepts engaging for young students.

Decimal practiceFraction practiceMath skill improvement
🎮 Games
(1)
free
20
Decimals Worksheets
Decimals Worksheets
Decimals Worksheets
Print decimals practice
Free
📚 Education
(0)

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