Head-to-head · Scientific Calculator Apps
KCalc vs Calcrivo Scientific Calculator
KCalc leads on 0 checks, Calcrivo 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 featuresCalcrivo Scientific Calculator · 5 of 6
KCalc scores higher on our rubric for scientific calculator apps: 8.1 against 7.9 out of 10; our editors rank them #5 and #7.
On platform support, Calcrivo Scientific Calculator gives you Cross-platform where KCalc offers Desktop. Calcrivo Scientific Calculator offers equation solving; KCalc doesn't publish it. Calcrivo Scientific Calculator offers complex numbers; KCalc doesn't publish it. Calcrivo Scientific Calculator offers offline mode; KCalc doesn't publish it. Calcrivo Scientific Calculator offers matrix operations; KCalc doesn't publish it.
KCalc is the better fit for linux users needing a focused scientific calculator. Calcrivo Scientific Calculator is the better fit for people who want a free calculator across devices.
- KCalc fits best
Linux users needing a focused scientific calculator
- Calcrivo Scientific Calculator fits best
People who want a free calculator across devices
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Side by side
| Feature | KCalc 8.1/10 Visit ↗ | Calcrivo Scientific Calculator 7.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.1 | 7.9 |
| Ranking | #5 in Scientific Calculator Apps | #7 in Scientific Calculator Apps |
| Best for | Linux users needing a focused scientific calculator | People who want a free calculator across devices |
| Pricing model | Free | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Cloud, Desktop |
| Platforms | Linux | Web, Windows, macOS, Linux |
| Built for | Solo, Small business | Solo, Small business |
| Features KCalc 1/6 · Calcrivo Scientific Calculator 5/6 | ||
| Equation solving | Not published | ✓ (best) |
| Statistics tools | ✓ | ✓ |
| Programmable functions | Not published | Not published |
| Complex numbers | Not published | ✓ (best) |
| Offline mode | Not published | ✓ (best) |
| Matrix operations | Not published | ✓ (best) |
| Specs | ||
| Platform support | Desktop | Cross-platform |
| Our review | ||
| Pros |
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| Cons |
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| 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 → |
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 → |
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.
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
- KCalc8.1/10 · Free plan
A focused, free Linux calculator with scientific, statistical, and number-base tools.
Visit KDEFull verdict → - Calcrivo Scientific Calculator7.9/10 · Free plan
A broad, free calculator with graphing, equation solving and offline apps.
Visit CalcrivoFull verdict →
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- GNOME Calculator vs Calcrivo Scientific Calculator
All scientific calculator apps comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update