Best 666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666 Apps

189+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Looking for free 666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666 apps? 20 of our 189+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for 666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666

Calculator₊#1

Calculator₊ by Impala Studios B.V.

Basic, Scientific, Plus Calc
Editor's Choice
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
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
Fraction Calculator + Decimals#2

Fraction Calculator + Decimals by Visual Math Interactive Sdn. Bhd.

Includes Decimals to Fractions
Strong Contender
📊 Productivity
3.7😐(293 ratings)
FreeIn-App Purchases
Fraction Calculator + Decimals screenshot 1
Fraction Calculator + Decimals screenshot 2
Fraction Calculator + Decimals screenshot 3
Fraction Calculator + Decimals screenshot 4
Fraction Calculator + Decimals screenshot 5

Introducing a versatile Fraction Calculator app with features like reducing fractions, converting decimals to fractions, and more. Simplify everyday math problems with ease and precision. Check it out at www.zapzapmath.com for a seamless math experience.

What We Love

  • 👍 Easy to use and intuitive interface
  • 🚀 Fast and efficient calculations
  • 📐 Excellent for fraction conversions and calculations
  • 💼 Useful for professional work (woodworking, DIY, construction, electrical)

Room to Improve

  • 💰 Misleading free-to-paid model with paywall for main features
  • 🔒 Subscription issues and locked features despite payment
  • 🔊 Disables music and media when app is opened
Basic Calculator+#3

Basic Calculator+ by Best Free Apps

Basic Four Function Calculator
Worth Considering
🔧 Utilities
4.9😊(243K ratings)
FreeAds
Basic Calculator+ screenshot 1
Basic Calculator+ screenshot 2

A user-friendly basic four-function calculator with a clear display and large buttons for easy calculations, available on both portrait and landscape modes. Download now for a straightforward and efficient way to handle your math tasks!

What We Love

  • 👍 Easy to use
  • 👍 Large, clear buttons
  • 👍 Straightforward, basic functionality
  • 👍 No ads or in-app purchases

Room to Improve

  • 🐛 Inconsistent click volume
  • 🐛 Ads can be intrusive or disruptive
  • 🐛 Missing backspace/delete function

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4
MathMaster: Math Solver & Help
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An advanced math problem-solving app that helps users solve complex mathematical equations effortlessly. Take the challenge out of math with our intuitive and powerful solution. Try it now for easy solutions to your toughest math problems.

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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!

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Monster Math 2: Kids Math Game
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Facts Fluency Made Fun For K-5
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An engaging math app for kids in Grades K-5 featuring over 67 math skills in areas like basic geometry, addition, subtraction, and more. With customizable skill presets aligned with Common Core standards, detailed progress reports, and a fun gameplay experience with different worlds and characters, Monster Math makes learning math fun and interactive for children. Unlock a world of math skills and adventure for your child today!

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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.

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Math Problems 1st - 12th Grade
Math Problems 1st - 12th Grade
Math Problems 1st - 12th Grade
Learn basic & high school math
Free

Practice math problems from 1st to 12th grade with interactive exercises covering various topics. Enhance your mathematical skills and track your progress. Start solving problems now!

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10
Calculator +ㅤ
Calculator +ㅤ
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This application is a comprehensive tool for all types of calculations, ranging from basic math to advanced scientific functions. Try it out now to simplify your calculations and mathematical tasks.

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StudyPug — Expert Math Tutors
StudyPug — Expert Math Tutors
StudyPug — Expert Math Tutors
Simple Math in Plain English
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Get expert math help in simple, easy-to-follow lessons covering algebra, calculus, statistics, and more, all aligned with common core standards. Improve your math skills with step-by-step tutorials and test prep guidance tailored to your needs.

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Fraction Help
Fraction Help
Fraction Help
Calculator + Working
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This educational tool and calculator makes solving and learning fractions easy by accurately solving equations and providing detailed working. It allows users to work with mixed and partial fractions, convert between decimal and fractional values, and find factors, with some features available through a simple in-app purchase.

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13
Numerical³
Numerical³
Numerical³
The Calculator Without Equal
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Numerical² is a fast, smart, and flexible calculator app that offers a full scientific keypad, automatic bracketing, and beautiful design with customizable themes. Easily calculate equations, use the Today Widget, and sync your calculations via iCloud. Need help or have feedback? Contact verytinymachines@gmail.com.

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14
Calculator⁼
Calculator⁼
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Fraction, Scientific Calc +
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A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

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SnapCalc - Math Problem Solver
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SnapCalc is a camera calculator app that solves math problems instantly by snapping a picture. It provides step-by-step solutions, recognizes handwritten problems, offers quizzes for math practice, and access to educational resources. Upgrade to the Premium version for ad-free experience and more features.

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Calculator for iPad₊
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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!

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FastMath - Take Photo & Solve
FastMath - Take Photo & Solve
FastMath - Take Photo & Solve
AI Math Problem Solver
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FastMath is a powerful math-solving app that lets you snap a photo of a math problem and receive instant step-by-step solutions. Say goodbye to tedious calculations and try FastMath today!

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Socratic AI - Homework Helper
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Get fast, accurate homework help with an AI-powered app that solves math problems and more. Snap a picture of your question and receive step-by-step solutions across all subjects instantly. Transform your homework experience - download now!

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PhotoMath Solver AI: MathBox
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Algebra Calculator AI Homework
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MathBox is an app that solves math problems by simply taking a photo. It offers step-by-step explanations, tutoring, and covers various math topics for all grades. Get unstuck in math with MathBox!

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MathAce: Solve Study Question
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The application allows users to take a photo and ask questions, receiving personalized answers from a wide range of specialized bots covering topics like plant care, pet advice, and fitness. It's a free and engaging platform for users with diverse interests to connect with their personal AI assistants.

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