Comparison

Calculator + vs Calculator for iPad₊

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculator +

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Highlights
  • Free basic and scientific calculator
  • Intuitive interface with equation and result display
  • Fraction and percent support
  • Advanced editing capabilities
  • Polynomial and linear equation solver
  • Graphing calculator
  • Unit conversion and geometric calculators
Features
Read full description

Award winning calculator app for iPad and iPhone. Designed with simplicity, usability and beauty in mind! FEATURES: - Free basic calculator - Free scientific calculator - Elegant & Intuitive interface - Advanced editing by easily going back and forth - Displays both the equation & the result at the same time - Supports Fraction & Percent - Supports many scientific functions If you are looking for more advanced features you can upgrade to one or more of the following: - Fraction Calculator with feet, inches & cm support! - Solving for x with a polynomial Calculator for solving quadratic & cubic equations 2x³ - 4x² - 22x + 24 = 0 - Linear Equations Solver for solving system of linear equations 2x – y = 9 3x + 4y = –14 - Graphing Calculator to find the local min, max & intersection points y = 2x³ – 4x (x² + y²)³ = -27y²x² - Triangle Calculator - Cone Calculator - Arc Calculator - Circle Calculator - Base Converter ( HEX OCT BIN DEC ) - Multiple themes Enjoy the FREE Scientific calculator on your iPhone & iPad. If you like it, support us by upgrading or giving us a positive review. Thanks :) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Calculator for iPad₊

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.

Highlights
  • Basic & Scientific Calculator
  • Advanced Scientific Functions
  • Live Currency Converter
  • Calculation History
  • Copy and Share Calculations
  • Equation Editing
  • Memory Banks
Features
Read full description

Solves complex math equations easily with the help of advanced scientific functions, or quickly calculates simple basic calculations. It is fast, handy, and has big buttons! Explicitly designed for iPad, and now also available on iPhone! Save time and share your calculation with your colleague, friend, or anyone, whenever you are! Master your work and calculate percentages to check your business expenses, taxes, financial reports, and whether your budget is correct! #homework #school #hybrid #home CALCULATOR - EXCLUSIVELY MADE FOR YOU - Basic & Scientific Calculator in One View - Advanced Scientific Functions - Live Currency Converter; get exchange rate prices - History; Track and save all calculations, taxes, and expenses - Copy Result, Complete Equation & Share Calculations - Equation edit function - Memory Banks - Calculate with Degrees or Radians - Available on iPad & iPhone - Rotation - Multitasking Support AD-FREE CALCULATOR Upgrade to a Premium Membership and Receive the Following Ongoing Value: • Ad-Free • Premium Customer Support Subscriptions automatically renew each month 24-hours before the end of the current period and your iTunes account will be charged unless auto-renew is turned off at least 24-hours before the end of the current period. You can turn off auto-renew any time from within the app. Any unused portion of a free trial will be forfeited if you purchase a subscription. Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy YOUR EXPERIENCE IS IMPORTANT TO US! As your experience is important to us, we’re happy with your feedback, questions, and suggestions. Please share any support as our team is always ready to help via support@impalastudios.com LOVING CALCULATOR? Please show your support by rating us! Thank you. MATHEMATICAL OPERATIONS Addition, Subtraction, Division, Multiplication, Percentages, Square, Cubic Exponent, Nth Exponent, Square Root, Cubic Root, Nth Root, Engineering Exponent, Factorial, Power of Two, Power of Ten, Power of E, Natural Logarithm, Common Logarithm, Binary Logarithm, Sine, Cosine, Tangent, Arc Sine, Arc Cosine, Arc Tangent, Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tangent, Hyperbolic ArcSine, Hyperbolic Arc Cosine, Hyperbolic ArcTangent, Multiplicative Inverse, Random Number Input Calculator for iPad (C) 2011 Impala Studios

Screenshots

Calculator +4 screens
Calculator for iPad₊4 screens

Verdict

The call

Calculator + and Calculator for iPad₊ both sit at 4.6 stars, but that hides the real split: 85% of Calculator +'s written reviews are positive against 40% of Calculator for iPad₊'s. Calculator + also leads on update cadence (every 5 days vs monthly). Calculator for iPad₊'s advantage is ratings volume (126K vs 10K). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month and Calculator for iPad₊ sells 7 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Calculator + against 4.5 for Calculator for iPad₊. That said, the two scores are not equally well evidenced: Calculator for iPad₊ has 126K ratings behind it against 10K, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 40% of Calculator for iPad₊'s.

UpkeepUpdate frequency

Calculator + ships an update every 5 days, Calculator for iPad₊ monthly. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
Calculator + versus Calculator for iPad₊: the parameters behind the verdict, then further details
ParameterCalculator +Calculator for iPad₊
PriceFreeFree
Rating4.6 (10K ratings) — better4.5 (126K ratings)
Positive reviews84.9% of reviews — better40.0% of reviews
Number of ratings10K126K — better
Update frequencyEvery 5 days — betterMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size50 MB145 MB
Age rating4+4+
DeveloperxNeat.comImpala Studios

Customer experience

Calculator +

All ratings10,255 ratings
Positive91.8%
Neutral2.8%
Negative5.3%
Written reviews942 reviews
Positive84.9%
Neutral4.0%
Negative11.0%

Calculator for iPad₊

All ratings126,024 ratings
Positive88.0%
Neutral4.0%
Negative8.0%
Written reviews130 reviews
Positive40.0%
Neutral13.1%
Negative46.9%

User reviews

Calculator +

From 10K App Store ratings

What we love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app
  • 👍 Awesome calculator app

Room to improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
  • 🔒 Now timed trial, no free w/ads version
  • 🔒 Not honest

Calculator for iPad₊

From 126K App Store ratings

What we love

  • 🚀 Helpful for math calculations
  • 👍 Variety of functions beyond basic calculator
  • 👍 Useful for students and teachers

Room to improve

  • 🙄 Excessive ads and pop-ups
  • 💰 Expensive subscription to remove ads
  • 🐛 Occasional calculation errors
  • 🤔 Missing key features like fractions and eraser

Bugs and requests

Calculator +

Reported bugs

5 issues
  • Fraction calculator has TWO subtraction buttons and NO division button
  • Decimals seem to be changed to fraction with no apparent way of changing it back
  • Functionality is dropped by forcing you to the main menu every time you open it
  • Currency converter broken
  • Login screen freezes

Requested features

5 requests
  • Add mod function
  • Add commas
  • Add 1/x function
  • Support for Retina Display
  • Add number 4 with two lines

Calculator for iPad₊

Reported bugs

2 issues
  • Calculation errors
  • Ads obstructing functionality

Requested features

4 requests
  • Add fraction support
  • Include an eraser function
  • Improve accuracy of calculations
  • Reduce intrusiveness of ads

In-app purchases

12 purchases

Calculator +

Subscriptions2
  • Scientific Calculator3 Days trial$4.991 Month
  • Calculator7 Days trial$39.991 Year
One-time10
  • Linear Calculator$2.99
  • Factoring Calculator$2.99
  • Handwriting Calculator$2.99
Show 7 more
  • Currency Converter$2.99
  • Themes Pack$2.99
  • Graphing Calculator$3.99
  • Fraction Calculator$3.99
  • Scientific Calculator$4.99
  • Calculator Plus$4.99
  • Calculator$16.99
7 purchases

Calculator for iPad₊

Subscriptions7
  • The Full Experience - 1 Month$0.991 Month
  • Weekly Premium Access3 Days trial$0.997 Days
  • The Full Experience - 6 Months$3.996 Months
Show 4 more
  • The Full Calculator Experience$3.991 Year
  • Limited Time Offer$4.991 Year
  • Premium Subscription Yearly3 Days trial$5.191 Year
  • Annual Premium Access$9.991 Year

Questions

Is Calculator + free?
Calculator + is free to download, with in-app purchases available.
Is Calculator for iPad₊ free?
Calculator for iPad₊ is free to download, with in-app purchases available.
Which has better reviews, Calculator + or Calculator for iPad₊?
Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Calculator for iPad₊ averages 4.5 from 126K ratings.
Do Calculator + or Calculator for iPad₊ have ads?
Both Calculator + and Calculator for iPad₊ show ads.
Which is updated more often, Calculator + or Calculator for iPad₊?
Calculator + ships an update every 5 days, and Calculator for iPad₊ monthly. Most recently, Calculator + was updated on October 30, 2026 and Calculator for iPad₊ on October 30, 2026.

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