Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Scientific Calculator Apps

Qalculate! vs Calcrivo Scientific Calculator

  • Updated Oct 2026
  • Both researched from official sources
  • 6 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!
Calcrivo Scientific Calculator #7 in Scientific Calculator Apps 7.9/10 Free plan Free plan✓ 5 of 6 features Visit Calcrivo

Qalculate! leads on 0 checks, Calcrivo Scientific Calculator on 0, and 6 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 scoreQalculate! · 8.0/10
  • Free planboth
  • Most featuresCalcrivo Scientific Calculator · 5 of 6

Qalculate! scores higher on our rubric for scientific calculator apps: 8.0 against 7.9 out of 10; our editors rank them #6 and #7.

Qalculate! is the better fit for desktop users needing advanced math without a fee. Calcrivo Scientific Calculator is the better fit for people who want a free calculator across devices.

  • Qalculate! fits best

    Desktop users needing advanced math without a fee

  • Calcrivo Scientific Calculator fits best

    People who want a free calculator across devices

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 ↗ Calcrivo Scientific Calculator 7.9/10 Visit ↗
At a glance
Editor score 8.0 7.9
Ranking #6 in Scientific Calculator Apps #7 in Scientific Calculator Apps
Best for Desktop users needing advanced math without a fee People who want a free calculator across devices
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Cloud, Desktop
Platforms Windows, Linux, macOS Web, Windows, macOS, Linux
Built for Solo, Small business Solo, Small business
Features Qalculate! 1/6 · Calcrivo Scientific Calculator 5/6
Equation solving Not checked yet ✓ (best)
Statistics tools Not checked yet ✓ (best)
Programmable functions Not checked yet Not checked yet
Complex numbers Not checked yet ✓ (best)
Offline mode ✓ ✓
Matrix operations Not checked yet ✓ (best)
Specs
Platform support Not checked yet Cross-platform
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.
  • Covers graphing, equation solving, matrices, statistics and calculus
  • Works offline as a progressive web app and desktop app
  • Includes a formula library with 108 formulas
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.
  • The published offering is free, with no paid tier options described
  • History and memory are stored on the device
  • Its broad toolset may be more than needed for basic calculations
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 →

Calcrivo Scientific Calculator is a free calculator for learners and other users who need more than basic arithmetic across browser and desktop environments. Its modes cover scientific calculations, graphing, equation solving, matrices,…

Read the review →
  1. Qalculate!Scientific Calculator Apps 8.0Free plan
  2. Calcrivo Scientific CalculatorScientific Calculator Apps 7.9Free 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.

  • Calcrivo Scientific Calculator — where it wins

    • Covers graphing, equation solving, matrices, statistics and calculus
    • Works offline as a progressive web app and desktop app
    • Includes a formula library with 108 formulas

    Where it doesn't

    • The published offering is free, with no paid tier options described
    • History and memory are stored on the device
    • Its broad toolset may be more than needed for basic calculations
  • Qalculate!8.0/10 · Free plan

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

    Visit Qalculate!Full verdict →
  • Calcrivo Scientific Calculator7.9/10 · Free plan

    A broad, free calculator with graphing, equation solving and offline apps.

    Visit CalcrivoFull verdict →

More comparisons

All scientific calculator apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update