Comparison

Calc 2M vs Calculator ×

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
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!

About

Calculator ×

This app redefines the calculator experience for touch-screen devices with a modern, intuitive design. It offers features like a tape log for storing calculations, formula evaluation, and iPad multitasking support for enhanced productivity.

Highlights
  • Tape Log for calculation history
  • Reuse, copy, and share calculations
  • Evaluate entire formulas at once
  • iPad multitasking support
  • Modern touch-screen design
Features
Read full description

Designed exclusively for today's touch-screen devices, this calculator app represents a groundbreaking paradigm shift, leaving behind the outdated design patterns of mechanical calculators. We have meticulously crafted a new design from scratch, keeping modern touch-screen devices at the forefront of our innovation. • Tape Log: All your calculations are securely stored in the tape log, ensuring you never lose track of your numerical journey. • Calculation Management: Effortlessly reuse, copy, or share calculations to integrate them seamlessly into your work or daily life. • Formula Evaluation: Enter entire formulas in one line for swift and accurate evaluation, simplifying complex calculations. • iPad Multitasking: Experience true productivity with iPad multitasking support, enabling you to perform calculations while using other apps through Slide Over and Split View. Calculator Pro represents a powerful departure from traditional calculators, offering a tailored experience for touch-screen devices. Download now and embrace a new era of calculations with maximum control and power at your fingertips. Terms of Use: https://doubleuapp.com/privacy/terms.html

Screenshots

Calc 2M4 screens
Calculator ×4 screens

Verdict

The call

The clearest difference is ads: Calc 2M at none against Calculator ×'s shown. Calc 2M also leads on rating (4.9 vs 4.5) and update cadence (monthly vs every 2 months). Calculator ×'s advantage is ratings volume (143 vs 28). On price, review sentiment, 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

Both are free to download. Calc 2M sells 7 one-off in-app purchases and Calculator × sells 4 in-app purchases, starting at $4.99 per year. 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 4.5. That said, the two scores are not equally well evidenced: Calculator × has 143 ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 81% of Calc 2M's written reviews are positive against 73% of Calculator ×'s.

UpkeepUpdate frequency

Calc 2M ships an update monthly, Calculator × every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
Calc 2M versus Calculator ×: the parameters behind the verdict, then further details
ParameterCalc 2MCalculator ×
PriceFreeFree
Rating4.9 (28 ratings) — better4.5 (143 ratings)
Positive reviews81.0% of reviews — better73.3% of reviews
Number of ratings28143 — better
Update frequencyMonthly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size48 MB17 MB
Age rating4+4+
DeveloperinkOfPixel srlDOUBLE U s.r.o.

Customer experience

Calc 2M

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

Calculator ×

All ratings143 ratings
Positive89.5%
Neutral4.2%
Negative6.3%
Written reviews15 reviews
Positive73.3%
Neutral6.7%
Negative20.0%

Bugs and requests

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

Calculator ×

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
4 purchases

Calculator ×

Subscriptions1
  • Premium Yearly$4.991 Year
One-time3
  • Remove ads$4.99
  • Remove ads$7.99
  • Remove ads$11.99

Questions

Is Calc 2M free?
Calc 2M 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, Calc 2M or Calculator ×?
Calc 2M is rated higher. Calc 2M averages 4.9 out of 5 from 28 ratings, while Calculator × averages 4.5 from 143 ratings.
Do Calc 2M or Calculator × have ads?
Calculator × shows ads; Calc 2M does not.
Which is updated more often, Calc 2M or Calculator ×?
Calc 2M ships an update monthly, and Calculator × every 2 months. Most recently, Calc 2M was updated on November 1, 2026 and Calculator × on November 2, 2026.

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