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Head-to-head · Scientific Calculator Apps

Qalculate! vs NCalc Scientific Calculator

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Qalculate! #6 in Scientific Calculator Apps 8.0/10 Free plan Free plan✓ 1 of 6 features Visit Qalculate!
NCalc Scientific Calculator #8 in Scientific Calculator Apps 7.8/10 Free plan Free plan✓ 5 of 6 features Visit NCalc

Qalculate! leads on 1 check, NCalc Scientific Calculator on 5, and 1 is even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreQalculate! · 8.0/10
  • Free planboth
  • Most featuresNCalc Scientific Calculator · 5 of 6

Qalculate! scores higher on our rubric for scientific calculator apps: 8.0 against 7.8 out of 10; our editors rank them #6 and #8.

NCalc Scientific Calculator offers equation solving; Qalculate! doesn't publish it. NCalc Scientific Calculator offers statistics tools; Qalculate! doesn't publish it. NCalc Scientific Calculator offers programmable functions; Qalculate! doesn't publish it. NCalc Scientific Calculator offers complex numbers; Qalculate! doesn't publish it. Qalculate! offers offline mode; NCalc Scientific Calculator doesn't publish it.

Qalculate! is the better fit for desktop users needing advanced math without a fee. NCalc Scientific Calculator is the better fit for apple users needing broad symbolic and numerical tools.

  • Qalculate! fits best

    Desktop users needing advanced math without a fee

  • 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 Qalculate! 8.0/10 Visit ↗ NCalc Scientific Calculator 7.8/10 Visit ↗
At a glance
Editor score 8.0 7.8
Ranking #6 in Scientific Calculator Apps #8 in Scientific Calculator Apps
Best for Desktop users needing advanced math without a fee 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 Windows, Linux, macOS iOS, macOS
Support Docs Email, Docs
Built for Solo, Small business Solo
Features Qalculate! 1/6 · NCalc Scientific Calculator 5/6
Equation solving Not published ✓ (best)
Statistics tools Not published ✓ (best)
Programmable functions Not published ✓ (best)
Complex numbers Not published ✓ (best)
Offline mode ✓ (best) Not published
Matrix operations Not published ✓ (best)
Specs
Platform support Not published Not published
Our review
Pros
  • Symbolic math covers factorization, simplification, differentiation, and integration.
  • Plots functions and data, and solves most equations and inequalities.
  • Over 400 functions plus arbitrary precision, unit conversion, and calculation history.
  • 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
  • Desktop-only deployment does not cover mobile use.
  • The feature set may exceed the needs of users seeking basic arithmetic.
  • Support channels are limited to documentation.
  • 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

For desktop users who need more than basic arithmetic, Qalculate! is a free, open-source calculator for Windows, Linux, and macOS. It evaluates expressions with numbers, variables, units, and functions, and offers graphical GTK and Qt…

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. Qalculate!Scientific Calculator Apps 8.0Free plan
  2. NCalc Scientific CalculatorScientific Calculator Apps 7.8Free plan

Strengths and trade-offs

  • Qalculate! — where it wins

    • Symbolic math covers factorization, simplification, differentiation, and integration.
    • Plots functions and data, and solves most equations and inequalities.
    • Over 400 functions plus arbitrary precision, unit conversion, and calculation history.

    Where it doesn't

    • Desktop-only deployment does not cover mobile use.
    • The feature set may exceed the needs of users seeking basic arithmetic.
    • Support channels are limited to documentation.
  • 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
  • Qalculate!8.0/10 · Free plan

    A free desktop calculator with symbolic math, equation solving, plotting, and over 400 functions.

    Visit Qalculate!Full 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