Best 2120+3= Apps

202+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated May 2026

Looking for free 2120+3= apps? 19 of our 202+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for 2120+3=

Calculator₊#1

Calculator₊ by Impala Studios B.V.

Basic, Scientific, Plus Calc
Editor's Choice
🔧 Utilities
4.7😞(1.7M ratings)
FreeAdsIn-App Purchases
#96in Utilities
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
Basic Calculator+#2

Basic Calculator+ by Best Free Apps

Basic Four Function Calculator
Strong Contender
🔧 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
Calculator⁼#3

Calculator⁼ by Impala Studios B.V.

Fraction, Scientific Calc +
Worth Considering
🔧 Utilities
4.6😞(357K ratings)
FreeAdsIn-App Purchases
Calculator⁼ screenshot 1
Calculator⁼ screenshot 2
Calculator⁼ screenshot 3
Calculator⁼ screenshot 4
Calculator⁼ screenshot 5

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

What We Love

  • 👍 Easy to use
  • 📊 Helpful history feature
  • 💻 Versatile (basic and scientific)
  • 🔍 Clear display and large buttons

Room to Improve

  • 🤖 Intrusive and excessive ads
  • 💰 Subscription model for ad-free version
  • 🔄 Ads interrupting calculations

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4
Calculator with History +
Calculator with History +
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MathEdge Addition for Kids
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A step-by-step guide to learn!
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6
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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Loan Calculator‰
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8
Math Rescue: 7-9 Year Old Game
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CheckPlease Tip Calculator
CheckPlease Tip Calculator
CheckPlease Tip Calculator
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Free

CheckPlease Lite is your go-to tip calculator for effortlessly dividing bills and calculating tips among friends. With features like quick tip calculation, bill splitting, and customizable currency options, this app simplifies the process. Join thousands of satisfied users and upgrade to the full version for even more convenient features.

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10
Calculator +ㅤ
Calculator +ㅤ
Calculator +ㅤ
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Best Proportion Calc
Best Proportion Calc
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This proportion calculator app makes math easy and fun, allowing users to quickly solve equations using the cross product method. With its intuitive interface, versatility, and offline capabilities, it's perfect for students, professionals, and anyone looking to simplify their calculations - download now and start solving problems with ease!

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12
Soulver 3
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Notepad, meet calculator.
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Experience the convenience of a notepad calculator app that simplifies day-to-day math tasks with natural language functions. Say goodbye to complex calculations and hello to efficiency.

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Calculator Air: AI Math Solver
Calculator Air: AI Math Solver
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Basic, Scientific & Photo Math
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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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Math Fact Master
Math Fact Master
Math Fact Master
Add Subtract Multiply Divide
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Improve math skills with an all-in-one app covering addition, subtraction, multiplication, and division. Receive positive feedback like "I am a teacher, I love this app! You thought of everything and put it in simple form." Try it now to enhance your math abilities!

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15
RECalc Mortgage Calculator
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Mortgage/loan calculator
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A versatile mortgage/loan calculator app that also functions as a traditional mathematical calculator. Users can calculate monthly payments, terms, interest rates, and loan amounts, with support for semi-annual compounding. Ideal for real estate professionals, mortgage brokers, home buyers, and those looking to refinance. Accessible on iPhone and iPod touch with options to save calculations and send summaries via email.

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Algebra Math Solver
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A homework camera calculator app that solves math problems from algebra to calculus. Simply snap a photo or enter equations manually for instant solutions, step-by-step explanations, and visual representations. Make math easier and improve your grades - try it now!

📚 Education
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17
Rule of 3 - Lite
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The quick ratio calculator
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This application helps you perform product multiplication calculations quickly and easily, allowing you to copy results to the clipboard with a shortcut button. You can also save calculations and view them in your history, making it a useful tool for tracking and referencing your work.

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18
Third Grade Math Quiz
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Help for third grade students
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This math quiz application helps third-grade students practice and improve their math skills through fun and interactive problems, covering various arithmetic operations and categories. With over 480 tasks and multiple languages supported, users can master math skills and even access offline features and printable workbooks by making a purchase.

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19
Fraction Calculator + Decimals
Fraction Calculator + Decimals
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Includes Decimals to Fractions
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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.

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A modern graphing calculator application designed for iPhone users, offering fast and interactive touch-screen graphing with intuitive features and intelligent error messages. Created by individuals who found existing graphing calculator apps lacking, it is continually improved with feedback from students. Visit the app's website for Privacy Policy and Terms of Use.

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