Comparison

Calculator! vs Calculator Pro+ 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 versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

Highlights
  • Standard and scientific calculator modes
  • Customizable look (iPad only)
  • Portrait and landscape orientation
  • Notes and drawing tab
  • Calculation history
  • AirPrint and email support
Features
Read full description

Calculator! is an easy to use, beautifully packaged calculator for your iPad or iPhone that includes both a standard and scientific calculator. Our versatile calculator app allows you to: • Customize the look of the application by changing the leather color and background texture (iPad Only) • Choose between a basic calculator or scientific calculator with more than 30 scientific operations • Use both calculators in portrait or landscape mode • Take notes or draw with your finger on the Notes Tab • View and edit a history of your calculations on the History Tab • Use Airprint to print your notes or your calculation history • Email your calculation history or notes from within the app • View an equation of your current calculations • Calculate with accuracy to more than 75 significant digits • Use parenthesis and nested parenthesis in your calculations We wrote Calculator! to be the perfect calculator for budding math students and professionals alike.

About

Calculator Pro+ for iPad

This app offers both basic and scientific calculation modes, alongside a comprehensive unit and currency converter. It supports multitasking, allowing simultaneous use with other applications, and features a history bar for tracking calculations.

Highlights
  • Basic and scientific calculator modes
  • Universal unit and currency converter
  • Multitasking mode
  • Calculation history bar
  • Customizable skins
  • VoiceOver accessibility
Read full description

A simple calculator for your iPad with unit & currency converter and multitasking mode. Get it now for free! Calculator Pro main features: - Basic calculator in Portrait Mode - Scientific calculator in Landscape Mode - Universal converter for Currency, Length, Time, Weight, Pressure, Temperature, Fuel Consumption, Speed and many more categories - Multitasking mode: use Calculator Pro and any other app simultaneously Calculator Pro+ for iPad is designed for everyone looking for simplicity and functionality. Enjoy basic calculations in Portrait Mode with big handy buttons, or make complex calculations in scientific calculator, available in Landscape Mode. Calculator Pro is the only one calculator needed for math classes from primary school through college. The app is great in basic everyday calculations and solving complex problems in physics, astronomy or chemistry as well. Need to convert one unit to another? With the intuitive and beautifully designed converter, you can easily switch between currencies, temperatures, length, speed and other numerous units, and continue calculation without interruptions. Features: • Two modes are available: do basic calculations in Portrait Mode or go advanced in Landscape Mode • Degrees and Radians calculations • History Bar: see your full calculation history directly on the screen • Track Calculations History: view, save, delete selected equation or clear all • Universal converter with 19 categories, including Currency, Length, Time, Weight, Pressure, Temperature, Area, Data Size, Energy, Force, Frequency, Power, Acceleration, Density, Angle, Typography, Volume, Fuel Consumption and Speed • Handy text search to find categories and units instantly • Multitasking mode: bring in Calculator Pro while viewing web pages, photos, taking notes and more to get results instantly! • Calculator Pro is now accessible via VoiceOver as well • Smart Keyboard support: take full advantage of seamless and intuitive calculations on your iPad Pro • Pick the look from a bunch of skins to suit your own preference (Modern, Rose, Wood, Old, Doodle, Minimalistic, Zombie, Yellow, New Year) • Memory buttons to help you out with complex calculations • Accidentally input the wrong number? Just swipe with your finger to edit it! • Copy and paste results and expressions directly into the current calculation • Comment on the equation and send the calculation results with comments via email Now you can do calculations on the go seamlessly! For complete access to all Calculator Pro+ for iPad features, you will need to allow access to the following: *Location data - this will enable automatic currency selection in the Converter. Privacy Policy: http://apalon.com/privacy_policy.html EULA: http://www.apalon.com/terms_of_use.html California Privacy Notice: https://apalon.com/privacy_policy.html#h AdChoices: https://apalon.com/privacy_policy.html#i

Screenshots

Calculator!4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator! at 86% against Calculator Pro+ for iPad's 26%. Calculator! also leads on ads (none vs shown) and rating (4.8 vs 4.4). Calculator Pro+ for iPad's advantage is price (Free vs $0.99) and update cadence (monthly vs every 3 months). On in-app purchases and monetization model 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 Pro+ for iPad is free to download; Calculator! costs $0.99 up front. Calculator! sells 1 one-off in-app purchase and Calculator Pro+ for iPad sells 5 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator! holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Calculator Pro+ for iPad has 62K ratings behind it against 4.3K, so its average is the more settled of the two. Written reviews point the same way: 86% of Calculator!'s written reviews are positive against 26% of Calculator Pro+ for iPad's.

UpkeepUpdate frequency

Calculator! ships an update every 3 months, Calculator Pro+ for iPad monthly. Both last shipped on November 6, 2026.

Scorecard8 real differences · 2 level
Calculator! versus Calculator Pro+ for iPad: the parameters behind the verdict, then further details
ParameterCalculator!Calculator Pro+ for iPad
Price$0.99Free — better
Rating4.8 (4.3K ratings) — better4.4 (62K ratings)
Positive reviews86.0% of reviews — better26.0% of reviews
Number of ratings4.3K62K — better
Update frequencyEvery 3 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS9.0 — better13.0
Further details — not scored
Size56 MB183 MB
Age rating4+17+
Developer7th GearMosaic S.r.l.

Customer experience

Calculator!

All ratings4,270 ratings
Positive96.1%
Neutral1.7%
Negative2.2%
Written reviews1,077 reviews
Positive86.0%
Neutral6.3%
Negative7.7%

Calculator Pro+ for iPad

All ratings61,593 ratings
Positive85.7%
Neutral5.0%
Negative9.4%
Written reviews423 reviews
Positive26.0%
Neutral5.9%
Negative68.1%

User reviews

Calculator!

From 4.3K App Store ratings

What we love

  • 💰 Reasonably priced
  • 📝 Useful note-taking features
  • 📊 Keeps a calculation history
  • 🎨 Customizable appearance
  • 🔍 Helpful log and tracking features

Room to improve

  • 🤔 Confusing input box behavior
  • 🔍 Lack of graphing features
  • 🔍 Missing some scientific calculator buttons
  • 🔍 Inconsistent widget behavior
  • 🔍 Issues with split-screen and resizing

Calculator Pro+ for iPad

From 62K App Store ratings

What we love

  • 🚀 Easily the best calculator app on iPad
  • 👍 Great app and very useful
  • 👍 Simple and straightforward features and functions
  • 👍 Allows customization & personalization

Room to improve

  • 🚨 Lousy and annoying pop-up screen asking to subscribe
  • 🚨 Too many ads that make the app unusable
  • 🚨 Ads interrupt calculations and disrupt workflow
  • 🚨 Ads are very intrusive and full-screen
  • 🚨 Ads make the app virtually unusable without paying

Bugs and requests

Calculator!

Reported bugs

4 issues
  • Widget doesn't work as expected
  • Calculation history not available in portrait mode
  • Resizing issues on iPad Pro
  • Slow startup times on older devices

Requested features

5 requests
  • Add unit conversion tools
  • Improve calculation expression logic
  • Allow notes to be viewed in portrait mode
  • Implement a scratch paper area on the right side
  • Add ability to sync data across devices

Calculator Pro+ for iPad

Reported bugs

2 issues
  • Calculations not working correctly
  • Unable to restore past purchases

Requested features

3 requests
  • More calculator themes and functionality
  • Memory function
  • Compatibility with iPhone

In-app purchases

1 purchases

Calculator!

One-time1
  • Calculator$0.99
5 purchases

Calculator Pro+ for iPad

Subscriptions4
  • Premium Weekly with free trial7 Days trial$0.997 Days
  • Premium Weekly$0.997 Days
  • Premium Yearly with Free Trial7 Days trial$19.991 Year
Show 1 more
  • Premium Yearly$19.991 Year
One-time1
  • Calculator Pro for iPad Full$0.99

Questions

Is Calculator! free?
Calculator! costs $0.99, and also offers in-app purchases.
Is Calculator Pro+ for iPad free?
Calculator Pro+ for iPad is free to download, with in-app purchases available.
Which has better reviews, Calculator! or Calculator Pro+ for iPad?
Calculator! is rated higher. Calculator! averages 4.8 out of 5 from 4.3K ratings, while Calculator Pro+ for iPad averages 4.4 from 62K ratings.
Do Calculator! or Calculator Pro+ for iPad have ads?
Calculator Pro+ for iPad shows ads; Calculator! does not.
Which is updated more often, Calculator! or Calculator Pro+ for iPad?
Calculator! ships an update every 3 months, and Calculator Pro+ for iPad monthly. Most recently, Calculator! was updated on November 6, 2026 and Calculator Pro+ for iPad on November 6, 2026.

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