Comparison

Calculator Max 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 Max

This app offers a comprehensive suite of calculation tools, from basic arithmetic to advanced scientific functions. It features a history tape for easy access and reuse of entries, and a unique scribble pad for handwritten notes and equation solving on iPads. Enjoy a clean interface, multitasking support, and customizable themes.

Highlights
  • Basic and scientific calculators
  • History tape with export options
  • Handwritten notes and equation solving
  • Multitasking support on iPad
  • Customizable themes and app icons
  • Home Screen and Lock Screen widgets
Features
Read full description

Calculator Max makes both simple and complex calculations easy. It offers all calculators you’ll ever need in one carefully designed, uncluttered and easy-to-use package. Switching between calculators is buttery-smooth and natural. The basic calculator with big buttons swiftly handles everyday tasks. The more advanced scientific calculator is loaded with all important mathematical functions and constants. A history tape with your entries is comfortably accessible in all calculator modes. Thanks to it, you never lose track of what you’ve entered and the entries can be reused effortlessly in your calculations. The tape can also be exported to common formats and shared or printed. On the large screen of any iPad it is pure joy to make handwriting notes or draw your ideas right in the app. Write down any math equation and let the app calculate it for you in the blink of an eye. Or reuse any handwriting which you can easily convert to editable text. ————————— WHAT YOU GET ————————— /// POWERFUL CALCULATOR /// — Basic calculator with big buttons — Scientific calculator packed with functions and constants — History tape with the calculations at your fingertips in all modes — Extensive rounding options (e.g. two decimal places for accounting) — Up to 5 memory slots for frequent numbers — Plain Text, Monospaced Text, CSV, PDF and image export formats — Advanced export, share and print options — Scribble Pad on iPad for easy math equations solving, handwritten notes and sketches /// PRODUCTIVE WORKFLOW /// — Side tape layouts for easier long records handling — Clean and uncluttered interface with refined haptic feedback — Multitasking support on iPad for side-by-side work — External keyboard support for even faster input and app control — Universal app for all your iPhones, iPads and Macs — User interface precisely adapted for each device capabilities /// FAST ACCESS /// — Home Screen widgets with last calculations and memory — Widgets for direct access from the Lock Screen — Control Center and Lock Screen fast access buttons /// MIGHTY SCRIBBLE PAD /// — The right place for your quick notes and sketches — Easily calculates any written down math equation — Recognizes your handwriting and converts it to editable text — Fully-fledged notebook with unlimited number of paper sheets — Exportable as text, image or PDF — Optimized for your finger as well as Apple Pencil — Support for LAMY and Adonit styluses (on iPad) — Available on all iPad models /// EXTENSIVE CUSTOMIZATION /// — Handcrafted design themes with dark mode support — Loads of app icons you can easily choose from the best one for your Homescreen — Carefully selected sound sets Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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.

Screenshots

Calculator Max4 screens
Calculator!4 screens

Verdict

The call

The clearest difference is price: Calculator Max at Free against Calculator!'s $0.99. Calculator!'s advantage is rating (4.8 vs 4.3) and review sentiment (83% vs 55%). On ratings volume, update cadence, 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

Calculator Max is free to download; Calculator! costs $0.99 up front. Calculator Max sells 2 in-app purchases, starting at $4.99 per year 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

Calculator! holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 1.8K and 4.3K respectively. Written reviews point the same way: 55% of Calculator Max's written reviews are positive against 83% of Calculator!'s.

UpkeepUpdate frequency

Calculator Max ships an update every 2 months, Calculator! every 3 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator Max versus Calculator!: the parameters behind the verdict, then further details
ParameterCalculator MaxCalculator!
PriceFree — better$0.99
Rating4.3 (1.8K ratings)4.8 (4.3K ratings) — better
Positive reviews55.1% of reviews83.3% of reviews — better
Number of ratings1.8K4.3K — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size126 MB56 MB
Age rating4+4+
DeveloperPavel Kozarek7th Gear

Customer experience

Calculator Max

All ratings1,651 ratings
Positive82.0%
Neutral2.8%
Negative15.2%
Written reviews292 reviews
Positive55.1%
Neutral3.4%
Negative41.4%

Calculator!

All ratings4,270 ratings
Positive96.1%
Neutral1.7%
Negative2.2%
Written reviews407 reviews
Positive83.3%
Neutral7.9%
Negative8.8%

User reviews

Calculator Max

From 1.8K App Store ratings

What we love

  • 🚀 Easy to use
  • 📝 Useful note-taking feature
  • 💾 Tape/history feature
  • 👍 Clean and intuitive interface
  • 🎨 Customizable appearance

Room to improve

  • 🐛 Compatibility issues with newer iOS versions
  • 📤 Lack of export/sharing options for tape/history
  • 🔍 Difficulty finding settings
  • 🔀 Sensitive orientation switching

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

Bugs and requests

Calculator Max

Reported bugs

3 issues
  • Crashes after iOS 26 update
  • Tape not visible/functional on iPhone
  • Calculator buttons/layout issues in split-screen mode

Requested features

5 requests
  • Left-handed mode
  • Backspace/edit functionality
  • Scientific calculator mode with tape
  • Tape annotation/labeling
  • Cloud/Dropbox sync for tape

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

In-app purchases

2 purchases

Calculator Max

Subscriptions1
  • Calculator Max Pro7 Days trial$4.991 Year
One-time1
  • Calculator Max Pro$3.99
1 purchases

Calculator!

One-time1
  • Calculator$0.99

Questions

Is Calculator Max free?
Calculator Max is free to download, with in-app purchases available.
Is Calculator! free?
Calculator! costs $0.99, and also offers in-app purchases.
Which has better reviews, Calculator Max or Calculator!?
Calculator! is rated higher. Calculator Max averages 4.3 out of 5 from 1.8K ratings, while Calculator! averages 4.8 from 4.3K ratings.
Do Calculator Max or Calculator! have ads?
Neither Calculator Max nor Calculator! shows ads.
Which is updated more often, Calculator Max or Calculator!?
Calculator Max ships an update every 2 months, and Calculator! every 3 months. Most recently, Calculator Max was updated on October 16, 2026 and Calculator! on October 17, 2026.

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