Comparison

Calculator⁼ vs Calculator

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 clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Highlights
  • Basic & Scientific Calculator
  • Live Currency Converter
  • History Tape
  • Equation Edit Function
  • Degrees or Radians Calculation
  • Memory Banks
Features
Read full description

Calculator is a clean, easy-to-use calculator app for everyday math and more. It handles basic calculations and scientific functions when you need them and keeps a history of your past results so you can quickly go back and check or reuse them. With its classic design, it feels familiar and straightforward—perfect for quick sums at work, school, or home. AVAILABLE FOR FREE • Basic & Scientific Calculator • Great Visibility; Big buttons for easy calculations • Live Currency Converter; get exchange rate prices • History Tape; Track all calculations, taxes, and expenses • Equation edit function • Calculate with Degrees or Radians • Memory Banks • Choose your Decimal Notation • Set the Number of Decimals • Available in 12 languages • Made for iPad & iPhone • Support Split View & Dark Mode BASIC AND SCIENTIFIC Rotate your device to access all scientific buttons. Or if you prefer calculating in portrait mode, simply swipe left. 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 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 LOVING CALCULATOR? Please show your support by rating us! Thank you. Calculator (C) 2011 Impala Studios Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy

About

Calculator

This app provides a comprehensive calculator experience, filling the gap for a built-in option on iPads. It offers basic, scientific, fraction, programmer, and tip calculations, along with unit and currency conversion. The interface is designed with a modern flat UI, supporting various orientations and multitasking features.

Highlights
  • Basic and scientific calculations
  • Fraction and programmer calculators
  • Unit and currency converter
  • Tip calculator and bill splitter
  • History and memory functions
  • Customizable themes and interface
Features
Read full description

Designed to fill in for the missing calculator app on the iPad with simplicity and functionality. This app features the modern design of flat UI of iOS which look like original built-in app. Users can make basic calculation in portrait and handy scientific calculation in landscape. It provides all scientific functions such as root, power, factorial, exponential, divisions, and logarithm are supported. Including trigonometric functions like sine, cosine, tangent, arch, and more. Unlock the power of binary, octal, decimal, and hexadecimal math with Programmer Calculator. Solve fraction math problem quickly and easily with Fraction Calculator. Includes international currency conversion and variety of units conversion categories. Tip calculator to calculate tip percentage for food and drink on the fly. Save time when use bill splitter, and tip exactly what you mean to, no more, no less. BASIC/SCIENTIFIC CALCULATOR • All functions like the original calculator app • Basic calculation in portrait • Scientific calculation in landscape • Manual basic & scientific calculator switching in portrait or landscape orientation • Access result and do calculation on widget • Switch between Degrees and Radians calculations • Make more complex calculations with Memory buttons • Simply swipe on the digits to delete a single wrong digit UNIT CONVERTER • Currency converter with daily updated exchange rates in the universal currency • Freely convert units from variety of categories • All catalogs in converter include: Currency, Area, Data, Length, Mass, Velocity, Temperature, Time, Volume, Acceleration, Angle, Current, Energy, Force, Illumination, Inductance, Magnitude, Power, Pressure, Radiation and Torque FRACTION CALCULATOR • Built-in fraction calculator to solve fraction math • Display result in proper fraction, improper fraction or decimal number PROGRAMMER CALCULATOR • Multi-base calculations with seamlessly switch between binary, octal, decimal and hexadecimal • Perform arithmetic and logical operations • Directly view and manipulate the individual bits of the binary number with built-in Bit Editor TIP CALCULATOR • Calculate tip of bill on the fly • Split the bill to share with others • Simply swipe to round any number of total, tip, or per person • Built-in share function to easily share the number with others SIMPLICITY • View whole calculation equation in calculator • Check previous calculation with history • Copy and paste numbers from or into display • Support split view multitasking • Support external hardware keyboard input INTERFACE • Get new feel of different looks with multiple themes • Easy one-hand usage with resizable and draggable interface • Pinch to scale calculator size • Quick actions by tap and hold calculator area • Buttons feedback sound to ensure you touch the buttons correctly NOTES: • To add widget in iOS 14 or later, scroll to the bottom of the widget list, tap Edit, tap Customize, add Calculator widget, and tap Done.

Screenshots

Calculator⁼4 screens

Verdict

The call

Calculator⁼ and Calculator both sit at 4.6 stars, but that hides the real split: 80% of Calculator's written reviews are positive against 36% of Calculator⁼'s. Calculator also leads on iOS requirement (11.0 vs 15.0). Calculator⁼'s advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence 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 8 in-app purchases, starting at $0.49 per 7 days and Calculator sells 1 one-off in-app purchase. 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 4.7 for Calculator. Both are backed by a comparable volume of ratings — 359K and 364K respectively. Written reviews are what separate them: 36% of Calculator⁼'s written reviews are positive against 80% of Calculator's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. Both last shipped on November 4, 2026.

Scorecard3 real differences · 7 level
Calculator⁼ versus Calculator: the parameters behind the verdict, then further details
ParameterCalculator⁼Calculator
PriceFreeFree
Rating4.6 (359K ratings)4.7 (364K ratings) — better
Positive reviews35.6% of reviews79.5% of reviews — better
Number of ratings359K364K — better
Update frequencyMonthlyMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS15.011.0 — better
Further details — not scored
Size159 MB47 MB
Age rating4+4+
DeveloperImpala StudiosRatha Sou

Customer experience

Calculator⁼

All ratings358,262 ratings
Positive91.4%
Neutral3.7%
Negative4.9%
Written reviews808 reviews
Positive35.6%
Neutral6.8%
Negative57.5%

Calculator

All ratings315,799 ratings
Positive92.8%
Neutral3.3%
Negative3.8%
Written reviews1,133 reviews
Positive79.5%
Neutral5.0%
Negative15.4%

User reviews

Calculator⁼

From 359K App Store ratings

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
  • 🕰️ Slow performance due to ads

Calculator

From 364K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Performs calculations quickly
  • 💡 Helpful for math homework and studies
  • 🔍 Provides calculation history
  • 🎨 Customizable themes and wallpapers

Room to improve

  • 🔍 Too many ads
  • 🐛 Occasional bugs and glitches
  • 🔍 Ads can be distracting
  • 🔍 Subscription model for some features

Bugs and requests

Calculator⁼

Reported bugs

3 issues
  • History not always showing all entries
  • Ads covering up parts of the screen
  • Inability to close full-screen ads

Requested features

4 requests
  • Add fraction button
  • Option to clear calculation history
  • Ability to copy/paste results
  • Customizable layout and themes

Calculator

Reported bugs

3 issues
  • Calculation errors in certain cases
  • App crashing on older devices
  • Issues with the slide-over mode display

Requested features

4 requests
  • Voice input for calculations
  • Ability to delete individual digits
  • More advanced scientific functions
  • Improved split-screen/multitasking support

In-app purchases

8 purchases

Calculator⁼

Subscriptions6
  • Weekly Premium Access3 Days trial$0.497 Days
  • Monthly full access3 Days trial$1.991 Month
  • Weekly Premium Access3 Days trial$1.997 Days
Show 3 more
  • Limited Time Offer$4.991 Year
  • Premium Yearly3 Days trial$5.991 Year
  • Annual Premium Access$9.991 Year
One-time2
  • Retro Theme Calculator'$0.99
  • Lifetime Full Access$14.99
1 purchases

Calculator

One-time1
  • Unlock Full Version$5.99

Questions

Is Calculator⁼ free?
Calculator⁼ is free to download, with in-app purchases available.
Is Calculator free?
Calculator is free to download, with in-app purchases available.
Which has better reviews, Calculator⁼ or Calculator?
Calculator is rated higher. Calculator⁼ averages 4.6 out of 5 from 359K ratings, while Calculator averages 4.7 from 364K ratings.
Do Calculator⁼ or Calculator have ads?
Both Calculator⁼ and Calculator show ads.
Which is updated more often, Calculator⁼ or Calculator?
Calculator⁼ ships an update monthly, and Calculator monthly. Most recently, Calculator⁼ was updated on November 4, 2026 and Calculator on November 4, 2026.

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