Comparison

Big Button Calculator Pro 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

Big Button Calculator Pro

A user-friendly calculator app featuring large, colorful buttons and a dual-line display for simultaneous input and result viewing. It supports long equations, offers customizable themes and sounds, and includes accessibility features.

Highlights
  • Dual-line display
  • Big buttons
  • 18 color themes
  • Multi-line input
  • Gesture controls
  • VoiceOver accessibility
Features
Read full description

This is THE BEST calculator for iOS with big buttons and colorful backgrounds! ・Dual-line display - shows the input and result at the same time ・Percentage and backspace button ・18 color themes ・Multi-line input for really long equations ・Automatic scientific formatting ・VoiceOver accessibility ・Split View Gestures ・Swipe left on the display to backspace ・Swipe right on the display to clear ・Tap & hold on the result to copy ・Tap & hold on the input to move the cursor, copy, paste Customize ・Color Theme ・Sound URL Scheme: bigcalculatorpro://

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

Big Button Calculator Pro4 screens
Calculator for iPad₊4 screens

Verdict

The call

The clearest difference is price: Calculator for iPad₊ at Free against Big Button Calculator Pro's $9.99. Calculator for iPad₊ also leads on ratings volume (126K vs 477). Big Button Calculator Pro's advantage is review sentiment (79% vs 40%) and in-app purchases (none vs 7). On update cadence, device support and iOS requirement 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

Calculator for iPad₊ is free to download; Big Button Calculator Pro costs $9.99 up front. Calculator for iPad₊ sells 7 in-app purchases, starting at $0.99 per month. Big Button Calculator Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Big Button Calculator Pro holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Calculator for iPad₊ has 126K ratings behind it against 477, so its average is the more settled of the two. Written reviews point the same way: 79% of Big Button Calculator Pro's written reviews are positive against 40% of Calculator for iPad₊'s.

UpkeepUpdate frequency

Big Button Calculator Pro ships an update every 2 months, Calculator for iPad₊ monthly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

Scorecard7 real differences · 3 level
Big Button Calculator Pro versus Calculator for iPad₊: the parameters behind the verdict, then further details
ParameterBig Button Calculator ProCalculator for iPad₊
Price$9.99Free — better
Rating4.9 (477 ratings) — better4.5 (126K ratings)
Positive reviews78.6% of reviews — better40.0% of reviews
Number of ratings477126K — better
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.215.0 — better
Further details — not scored
Size27 MB145 MB
Age rating4+4+
DeveloperCider Software LLCImpala Studios

Customer experience

Big Button Calculator Pro

All ratings463 ratings
Positive97.4%
Neutral1.3%
Negative1.3%
Written reviews14 reviews
Positive78.6%
Neutral7.1%
Negative14.3%

Calculator for iPad₊

All ratings126,010 ratings
Positive88.0%
Neutral4.0%
Negative8.0%
Written reviews130 reviews
Positive40.0%
Neutral13.1%
Negative46.9%

Bugs and requests

Big Button Calculator Pro

Not enough reviews yet to summarise bugs or requests.

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

None

Big Button Calculator Pro

No in-app purchases

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 Big Button Calculator Pro free?
Big Button Calculator Pro costs $9.99, with no in-app purchases.
Is Calculator for iPad₊ free?
Calculator for iPad₊ is free to download, with in-app purchases available.
Which has better reviews, Big Button Calculator Pro or Calculator for iPad₊?
Big Button Calculator Pro is rated higher. Big Button Calculator Pro averages 4.9 out of 5 from 477 ratings, while Calculator for iPad₊ averages 4.5 from 126K ratings.
Do Big Button Calculator Pro or Calculator for iPad₊ have ads?
Calculator for iPad₊ shows ads; Big Button Calculator Pro does not.
Which is updated more often, Big Button Calculator Pro or Calculator for iPad₊?
Big Button Calculator Pro ships an update every 2 months, and Calculator for iPad₊ monthly. Most recently, Big Button Calculator Pro was updated on November 2, 2026 and Calculator for iPad₊ on November 9, 2026.

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