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Head-to-head · Scientific Calculator Apps

KCalc vs NCalc Scientific Calculator

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score KCalc #5 in Scientific Calculator Apps 8.1/10 Free plan Free plan✓ 1 of 6 features Visit KDE
NCalc Scientific Calculator #8 in Scientific Calculator Apps 7.8/10 Free plan Free plan✓ 5 of 6 features Visit NCalc

KCalc leads on 0 checks, NCalc Scientific Calculator on 4, and 2 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKCalc · 8.1/10
  • Free planboth
  • Most featuresNCalc Scientific Calculator · 5 of 6

KCalc scores higher on our rubric for scientific calculator apps: 8.1 against 7.8 out of 10; our editors rank them #5 and #8.

NCalc Scientific Calculator offers equation solving; KCalc doesn't publish it. NCalc Scientific Calculator offers programmable functions; KCalc doesn't publish it. NCalc Scientific Calculator offers complex numbers; KCalc doesn't publish it. NCalc Scientific Calculator offers matrix operations; KCalc doesn't publish it.

KCalc is the better fit for linux users needing a focused scientific calculator. NCalc Scientific Calculator is the better fit for apple users needing broad symbolic and numerical tools.

  • KCalc fits best

    Linux users needing a focused scientific calculator

  • NCalc Scientific Calculator fits best

    Apple users needing broad symbolic and numerical tools

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature KCalc 8.1/10 Visit ↗ NCalc Scientific Calculator 7.8/10 Visit ↗
At a glance
Editor score 8.1 7.8
Ranking #5 in Scientific Calculator Apps #8 in Scientific Calculator Apps
Best for Linux users needing a focused scientific calculator Apple users needing broad symbolic and numerical tools
Pricing model Free Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Desktop Mobile, Desktop
Platforms Linux iOS, macOS
Support Docs, Community Email, Docs
Built for Solo, Small business Solo
Features KCalc 1/6 · NCalc Scientific Calculator 5/6
Equation solving Not published ✓ (best)
Statistics tools ✓ ✓
Programmable functions Not published ✓ (best)
Complex numbers Not published ✓ (best)
Offline mode Not published Not published
Matrix operations Not published ✓ (best)
Specs
Platform support Desktop Not published
Our review
Pros
  • Combines scientific, statistical, numeral-system, and bitwise calculations.
  • Results stack, memory registers, and constants support repeat calculations.
  • Configurable precision, display, keyboard shortcuts, and clipboard controls.
  • Solves equations, systems and inequalities, including cubic and quartic forms
  • Graphs Cartesian, polar, implicit and parametric functions
  • Combines calculus, matrices, statistics and complex-number tools
Cons
  • Its listed platform is Linux desktop, not a cross-platform calculator.
  • Its focus is calculator functions rather than a broader scientific workspace.
  • Support channels are documentation and community.
  • Available on iOS and macOS, not other listed platforms
  • Paid features are not distinguished from the free download
  • Subscriptions are billed and managed through Apple
Our verdict

KCalc is KDE’s open-source Linux desktop calculator for people who want arithmetic alongside scientific and statistical functions. It covers trigonometric and hyperbolic functions, logarithms, powers, factorials, and statistics such as…

Read the review →

NCalc Scientific Calculator is an iPhone, iPad and Mac app for students, engineers and other people working with mathematics. Its scope goes well beyond arithmetic: the natural-display calculator handles fractions, roots and exponents,…

Read the review →
  1. KCalcScientific Calculator Apps 8.1Free plan
  2. NCalc Scientific CalculatorScientific Calculator Apps 7.8Free plan

Strengths and trade-offs

  • KCalc — where it wins

    • Combines scientific, statistical, numeral-system, and bitwise calculations.
    • Results stack, memory registers, and constants support repeat calculations.
    • Configurable precision, display, keyboard shortcuts, and clipboard controls.

    Where it doesn't

    • Its listed platform is Linux desktop, not a cross-platform calculator.
    • Its focus is calculator functions rather than a broader scientific workspace.
    • Support channels are documentation and community.
  • NCalc Scientific Calculator — where it wins

    • Solves equations, systems and inequalities, including cubic and quartic forms
    • Graphs Cartesian, polar, implicit and parametric functions
    • Combines calculus, matrices, statistics and complex-number tools

    Where it doesn't

    • Available on iOS and macOS, not other listed platforms
    • Paid features are not distinguished from the free download
    • Subscriptions are billed and managed through Apple
  • KCalc8.1/10 · Free plan

    A focused, free Linux calculator with scientific, statistical, and number-base tools.

    Visit KDEFull verdict →
  • NCalc Scientific Calculator7.8/10 · Free plan

    A broad scientific toolkit for Apple users, with optional in-app purchases.

    Visit NCalcFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update