Comparison

Kalkyl vs Calculator ×

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

Head to head
About

Kalkyl

A powerful and intuitive calculator designed for speed and ease of use. Features include collaboration, haptic feedback, and advanced input methods like keyboard trackpad mode. Offers basic graphing and localized number formatting for a seamless user experience.

Highlights
  • Optimized for quick calculations
  • Collaborate on documents
  • Intuitive design with haptic feedback
  • Keyboard trackpad and pointer interactions
  • Basic graphing capabilities
  • Localized number formatting
  • Undo and Redo support
Read full description

Kalkyl is just a really good calculator. • Optimized for quick calculations. • Collaborate on documents. • Simple and intuitive design. • Haptic feedback (on supported devices). • Undo and Redo support (shake to Undo). • Keyboard trackpad mode using 3D Touch, or Haptic Touch (on supported devices), or two fingers on iPad. • Pointer interactions on iPad. • Basic graphing. • Properly localized number formatting. • App-wide dynamic type support. • Accessible. Terms of Use: https://kalkyl.io/terms.html

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for today's touch-screen devices, this calculator app represents a groundbreaking paradigm shift, leaving behind the outdated design patterns of mechanical calculators.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

Kalkyl4 screens
Calculator ×4 screens

Verdict

The call

The clearest difference is ads: Kalkyl at none against Calculator ×'s shown. Kalkyl also leads on ratings volume (714 vs 143). Calculator ×'s advantage is iOS requirement (13.6 vs 15.6). On price, rating, review sentiment 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. Kalkyl sells 1 in-app purchase, starting at $4.99 per year 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

On the App Store both sit at effectively the same score — 4.5 for Kalkyl against 4.5 for Calculator ×. Both are backed by a comparable volume of ratings — 714 and 143 respectively. Written reviews are what separate them: 75% of Kalkyl's written reviews are positive against 73% of Calculator ×'s.

UpkeepUpdate frequency

Kalkyl ships an update every 5 weeks, Calculator × every 2 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
Kalkyl versus Calculator ×: the parameters behind the verdict, then further details
ParameterKalkylCalculator ×
PriceFreeFree
Rating4.5 (714 ratings)4.5 (143 ratings)
Positive reviews74.7% of reviews — better73.3% of reviews
Number of ratings714 — better143
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod, Vision Pro — betteriPhone, iPad, iPod
Requires iOS15.613.6 — better
Further details — not scored
Size4 MB10 MB
Age rating4+4+
Developernordic ioDOUBLE U s.r.o.

Customer experience

Kalkyl

All ratings714 ratings
Positive86.8%
Neutral4.2%
Negative9.0%
Written reviews75 reviews
Positive74.7%
Neutral9.3%
Negative16.0%

Calculator ×

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

Bugs and requests

Kalkyl

Reported bugs

3 issues
  • Crashes on launch for some users
  • Graphing issues with certain equations
  • Incorrect results for some calculations

Requested features

5 requests
  • Add a clear/reset button
  • Implement calculation history and memory functions
  • Improve graphing controls and zooming
  • Add support for more mathematical functions (e.g. factorials, fractions)
  • Provide an option for independent dark mode

Calculator ×

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Kalkyl

Subscriptions1
  • Kalkyl Pro3 Days trial$4.991 Year
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 Kalkyl free?
Kalkyl 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, Kalkyl or Calculator ×?
Kalkyl and Calculator × are both rated 4.5 out of 5 on the App Store, from 714 and 143 ratings respectively.
Do Kalkyl or Calculator × have ads?
Calculator × shows ads; Kalkyl does not.
Which is updated more often, Kalkyl or Calculator ×?
Kalkyl ships an update every 5 weeks, and Calculator × every 2 months. Most recently, Kalkyl was updated on September 23, 2026 and Calculator × on September 21, 2026.

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