Comparison

Calculator Max vs Calc 2M

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

Calc 2M

This advanced calculator app offers a clean interface with both standard and pro features. It includes a history of calculations, drag-and-drop functionality, customizable themes, and the ability to export results. Ideal for students, engineers, and scientists needing precise calculations on the go.

Highlights
  • Calculation history
  • Drag and drop input
  • Customizable themes
  • Export calculations
  • Widget for quick access
  • Editable expressions
  • Advanced functions
Features
Read full description

With over half a million users Calc 2M is the best calculator on the App Store! Calc 2M combines in a simple and beautiful design all the standard and pro features of a calculator! We put particular attention on user experience trying to create the best possible calculator for iPad, iPhone and Apple Watch! Features: • History: All the expressions you make will be saved in your history, you can reuse them whenever you want. • Drag&Drop: Drag your previously typed calculations on the display for an easier and faster entry. • Themes: Change theme to fit your style. A lot of skin options (Dark, Light, Ninja, Sunrise, Dev, Vintage) • Export: Print or send your calculations as you like. You can use any third-part applications that you have installed • Widget: Need a quick calculation? Install the widget. • Readability: Coloured syntax to improve expression readability. • Functions: The powerful advanced functions make it ideal also for students, engineers and scientists. • Editable expressions: Expression completely editable, use the cursor to move within the expression, copy and paste. • Settings: Set Calc 2M according to your needs. We are continually working on Calc 2M to bring you the best product possible! Feedback are very welcome. They help us to improve Calc 2M!

Screenshots

Calculator Max4 screens
Calc 2M4 screens

Verdict

The call

The clearest difference is rating: Calc 2M at 4.9 against Calculator Max's 4.3. Calc 2M also leads on review sentiment (81% vs 55%) and iOS requirement (9.0 vs 15.0). Calculator Max's advantage is ratings volume (1.8K vs 27). On price, 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

Both are free to download. Calculator Max sells 2 in-app purchases, starting at $4.99 per year and Calc 2M sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calc 2M holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Calculator Max has 1.8K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 55% of Calculator Max's written reviews are positive against 81% of Calc 2M's.

UpkeepUpdate frequency

Calculator Max ships an update every 2 months, Calc 2M monthly. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator Max versus Calc 2M: the parameters behind the verdict, then further details
ParameterCalculator MaxCalc 2M
PriceFreeFree
Rating4.3 (1.8K ratings)4.9 (27 ratings) — better
Positive reviews55.2% of reviews81.0% of reviews — better
Number of ratings1.8K — better27
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Apple Watch
Requires iOS15.09.0 — better
Further details — not scored
Size126 MB48 MB
Age rating4+4+
DeveloperPavel KozarekinkOfPixel srl

Customer experience

Calculator Max

All ratings1,651 ratings
Positive82.0%
Neutral2.8%
Negative15.2%
Written reviews290 reviews
Positive55.2%
Neutral3.4%
Negative41.4%

Calc 2M

All ratings27 ratings
Positive96.3%
Neutral3.7%
Negative0.0%
Written reviews100 reviews
Positive81.0%
Neutral8.0%
Negative11.0%

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

Calc 2M

From 27 App Store ratings

What we love

  • 👍 Clean, intuitive, and user-friendly interface
  • 🧮 Powerful scientific calculator with extensive functions
  • 📜 Accessible calculation history that persists across sessions
  • ✏️ Ability to edit and reuse previous expressions
  • 🎨 Beautiful, aesthetically pleasing design

Room to improve

  • 🐛 App crashes on startup (older versions)
  • 🔤 Font size and style options are limited
  • 📱 iPad version is laggy and poorly optimized
  • ❌ Error handling requires restarting from beginning
  • 🎮 Swiping gestures sometimes trigger unintended functions

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

Calc 2M

Reported bugs

9 issues
  • App crashes on startup
  • Trigonometric functions produce incorrect results
  • Combination function (comb) returns wrong values
  • Sin and Tan functions malfunction
  • Swiping causes unintended function entry
Show 4 more
  • Error state requires complete restart
  • iPad version is laggy and unresponsive
  • Spelling error in function names (trigonometry misspelled)
  • App doesn't open on some devices

Requested features

10 requests
  • Automatic bracket completion
  • Fraction to decimal converter and vice versa
  • Apple Watch app support
  • More font options and customizable font sizes
  • RPN (Reverse Polish Notation) mode
Show 5 more
  • Dedicated Clear/CE button in prominent location
  • Easier negative number input
  • Algebraic functions
  • Graph plotting capabilities
  • Ability to disable advanced options for basic calculator view

In-app purchases

2 purchases

Calculator Max

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

Calc 2M

One-time7
  • Ninja Theme$0.99
  • Sunrise Theme$0.99
  • Dev Theme$0.99
Show 4 more
  • Vintage Theme$0.99
  • Light theme$0.99
  • Clarity Theme$0.99
  • Theme Pack$1.99

Questions

Is Calculator Max free?
Calculator Max is free to download, with in-app purchases available.
Is Calc 2M free?
Calc 2M is free to download, with in-app purchases available.
Which has better reviews, Calculator Max or Calc 2M?
Calc 2M is rated higher. Calculator Max averages 4.3 out of 5 from 1.8K ratings, while Calc 2M averages 4.9 from 27 ratings.
Do Calculator Max or Calc 2M have ads?
Neither Calculator Max nor Calc 2M shows ads.
Which is updated more often, Calculator Max or Calc 2M?
Calculator Max ships an update every 2 months, and Calc 2M monthly. Most recently, Calculator Max was updated on September 29, 2026 and Calc 2M on September 19, 2026.

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