Head-to-head · Scientific Calculator Apps
GeoGebra vs KCalc
GeoGebra leads on 0 checks, KCalc on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreGeoGebra · 9.1/10
- Free planboth
- Most featuresKCalc · 1 of 6
GeoGebra scores higher on our rubric for scientific calculator apps: 9.1 against 8.1 out of 10; our editors rank them #2 and #5.
KCalc offers statistics tools; GeoGebra doesn't publish it.
GeoGebra is the better fit for learners who want a visual, interactive toolkit. KCalc is the better fit for linux users needing a focused scientific calculator.
- GeoGebra fits best
Learners who want a visual, interactive toolkit
- KCalc fits best
Linux users needing a focused scientific calculator
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Side by side
| Feature | GeoGebra 9.1/10 Visit ↗ | KCalc 8.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.1 | 8.1 |
| Ranking | #2 in Scientific Calculator Apps | #5 in Scientific Calculator Apps |
| Best for | Learners who want a visual, interactive toolkit | Linux users needing a focused scientific calculator |
| Pricing model | Free plan + paid | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Self-hosted, Desktop, Mobile | Desktop |
| Platforms | Web, Windows, macOS, Linux, iOS, Android | Linux |
| Support | Email, Docs | Docs, Community |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business |
| Features GeoGebra 0/6 · KCalc 1/6 | ||
| Equation solving | Not published | Not published |
| Statistics tools | Not published | ✓ (best) |
| Programmable functions | Not published | Not published |
| Complex numbers | Not published | Not published |
| Offline mode | Not published | Not published |
| Matrix operations | Not published | Not published |
| Specs | ||
| Platform support | Not published | Desktop |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | GeoGebra brings interactive mathematics apps and shared learning materials together for students and teachers. Its tools span graphing, geometry, algebra, calculus, statistics, probability, and 3D math, while Math Practice adds… Read the review → |
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 → |
Strengths and trade-offs
GeoGebra — where it wins
- Combines 2D/3D graphing, geometry, calculus, statistics, and probability tools
- Math Practice offers step-by-step algebra work with adaptive hints and feedback
- Runs on web, desktop, and mobile, with Google Classroom integration
Where it doesn't
- Commercial use requires a separate license
- Broad scope may be more than needed for learners seeking only a calculator
- Classroom progress tools are aimed at teachers rather than solo learners
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.
- GeoGebra9.1/10 · Free plan
A broad, visual math toolkit for learners, with graphing, algebra practice, and classroom tools.
Visit GeoGebraFull verdict → - KCalc8.1/10 · Free plan
A focused, free Linux calculator with scientific, statistical, and number-base tools.
Visit KDEFull verdict →
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- GNOME Calculator vs KCalc
All scientific calculator apps comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update


