Best Decimals Apps & Games

248+ iOS apps & games curated and reviewed

3.4 avg rating
12 free apps & games
Updated August 2026

The best decimals apps and games on iPhone average 3.4★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Decimals Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Desmos Graphing CalculatorDesmos Graphing CalculatorFree4.3★ (1.3K)NoNoAug 2026
2Desmos Scientific CalculatorDesmos Scientific CalculatorFree4.3★ (327)NoNoJul 2026
3Decimals & FractionsDecimals & Fractions$4.99NoNoJul 2026
4Fraction Calculator-Decimal RAFraction Calculator-Decimal RAFree4.1★ (13)YesNoMay 2026
5Decimals to FractionsDecimals to Fractions$1.994.9★ (11)YesNoAug 2026
6Fraction Basics & DecimalsFraction Basics & DecimalsFree2.6★ (10)NoYesMay 2026
7[ Matrix Calculator ][ Matrix Calculator ]Free1.0★ (4)YesYesMay 2026
8Fraction Calculator + DecimalsFraction Calculator + DecimalsFree3.7★ (293)NoYesJul 2026

Top Picks for Decimals

Desmos Graphing Calculator#1

Desmos Graphing Calculator by Desmos

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.

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
Decimals to Fractions
Decimals to Fractions
Decimals to Fractions
Convert Decimals to Fractions
$1.99

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.

Two-way decimal/fraction conversionOffline functionalityClean and simple interface
📚 Education
(11)
ad-supported
6
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
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
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
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

Practice decimal fractions, fractions, and percentages with this educational app. It covers various topics including conversions between decimals, fractions, and percentages, as well as arithmetic operations on fractions and decimals.

Decimal/fraction to percent conversionFraction identificationPercentage questions
📚 Education
(1)
free
10
Decimal Rounding
Decimal Rounding
Decimal Rounding
by Esa Helttula
$3.99

This educational app helps users learn and practice rounding decimal numbers. It offers guided step-by-step problem-solving with customizable settings for a stress-free learning experience. Ideal for students and anyone needing to master decimal rounding.

Learn decimal roundingCustomizable problemsRandom problem generation
📚 Education
(2)
paid
11
DaVinci Lock Mobile
DaVinci Lock Mobile
DaVinci Lock Mobile
by DaVinci Lock, LLC
Free

This app enhances productivity for self-storage facility managers and maintenance staff. It allows for offline assignment and modification of overlocks, syncing changes later when an internet connection is available.

Offline overlock assignmentModify overlocks without internetSync changes when connected
💼 Business
(3)
free
12
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
13
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
14
Decimal to Percent Converter
Decimal to Percent Converter
Decimal to Percent Converter
Part of CalCon Calculator
Free
🔧 Utilities
(0)
15
修音变声器 - 男变女的变声器
修音变声器 - 男变女的变声器
修音变声器 - 男变女的变声器
自然丰富的变声器
Free

This app offers a fun way to alter your voice for recordings and chats. It includes various pre-set voice effects like male, female, robot, and child, along with custom sound effects. Share your transformed audio through popular messaging platforms.

Voice changing effectsRecording functionalitySound effect playback
🎬 Entertainment
(20)
freemium
16
Decimals Worksheets
Decimals Worksheets
Decimals Worksheets
Print decimals practice
Free
📚 Education
(0)
17
Decimal Fractions
Decimal Fractions
Decimal Fractions
by zhandos uakanov
$0.99
🔍 Reference
(0)
18
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
19
Decimal To Fraction Converter
Decimal To Fraction Converter
Decimal To Fraction Converter
by Manfred Breede
$0.99

Easily convert decimal numbers to fractions and fractions to decimals. This utility tool provides a straightforward way to handle numerical conversions for various applications.

Decimal to fraction conversionFraction to decimal conversionSimple numerical utility
💼 Business
(5)
paid
20
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

FAQ about Decimals

What are the best decimals apps & games for iPhone?
Desmos Graphing Calculator tops our decimals apps & games ranking as of August 2026, with a 4.3-star average from 1.3K App Store ratings, and it's free to download.
Yes — 12 of the top decimals apps & games we rank are free to download, including Desmos Graphing Calculator and Desmos Scientific Calculator.
Desmos Graphing Calculator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ decimals apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
You can graph any equation, including lines, parabolas, derivatives, and Fourier series. The app allows you to add sliders to demonstrate function transformations, create tables to input and plot data, and animate your graphs. It also functions as a scientific calculator and can plot inequalities.
You can graph polar, cartesian, or parametric equations. There is no limit to the number of expressions you can graph simultaneously, and you do not need to enter expressions in the standard y= form.

Related searches