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Head-to-head · Calculators

Omni Calculator vs GNOME Calculator

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Omni Calculator #3 in Calculators 9.0/10 Free plan Free plan✓ 4 of 6 features Try Omni Calculator
GNOME Calculator #8 in Calculators 8.5/10 Free plan Free plan✓ 4 of 6 features Try GNOME Calculator

Omni Calculator leads on 0 checks, GNOME 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 scoreOmni Calculator · 9.0/10
  • Free planboth

Omni Calculator scores higher on our rubric for calculators: 9.0 against 8.5 out of 10; our editors rank them #3 and #8.

Omni Calculator is the better fit for people seeking specialized calculators and worked examples. GNOME Calculator is the better fit for linux users wanting a free open-source desktop calculator.

  • Omni Calculator fits best

    People seeking specialized calculators and worked examples

  • GNOME Calculator fits best

    Linux users wanting a free open-source desktop calculator

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. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Omni Calculator 9.0/10 Visit ↗ GNOME Calculator 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in Calculators #8 in Calculators
Best for People seeking specialized calculators and worked examples Linux users wanting a free open-source desktop calculator
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Desktop
Platforms Web, Android Linux
Support Email, Docs Docs
Built for Solo, Small business, Mid-market, Enterprise Solo
Features Omni Calculator 4/6 · GNOME Calculator 4/6
Scientific functions ✓ ✓
Graphing ✓ (best) Not checked yet
Equation solver ✓ ✓
Financial functions ✓ ✓
Offline mode Not checked yet Not checked yet
Calculation history Not checked yet ✓ (best)
Our review
Pros
  • Thousands of calculators span math, science, finance, health and construction.
  • Two-way inputs, unit conversions and currency conversions help solve varied problems.
  • Articles explain formulas; Android adds search, favorites and recent calculators.
  • Covers scientific functions, equation evaluation and user-defined functions.
  • Includes financial calculations such as periodic interest and present or future value.
  • Supports number-base and bitwise operations, unit and currency conversions, and history.
Cons
  • The Android app is available, but iOS is not offered.
  • Locally saved input values are limited to the browser.
  • It focuses on calculations rather than building custom spreadsheets or formulas.
  • Runs on Linux desktop only.
  • Its focus is calculation rather than broader productivity features.
  • Documentation is the listed support channel.
Our verdict

Omni Calculator is a free library of specialized calculators for students, professionals and general users who want answers without building formulas themselves. Its web and Android offerings cover math, science, finance, health,…

Read the review →

GNOME Calculator is a free, open-source desktop application from the GNOME Project for Linux users who want more than basic arithmetic. Alongside mathematical equation evaluation, it includes scientific functions such as logarithms,…

Read the review →
  1. Omni CalculatorCalculators 9.0Free plan
  2. GNOME CalculatorCalculators 8.5Free plan

Strengths and trade-offs

  • Omni Calculator — where it wins

    • Thousands of calculators span math, science, finance, health and construction.
    • Two-way inputs, unit conversions and currency conversions help solve varied problems.
    • Articles explain formulas; Android adds search, favorites and recent calculators.

    Where it doesn't

    • The Android app is available, but iOS is not offered.
    • Locally saved input values are limited to the browser.
    • It focuses on calculations rather than building custom spreadsheets or formulas.
  • GNOME Calculator — where it wins

    • Covers scientific functions, equation evaluation and user-defined functions.
    • Includes financial calculations such as periodic interest and present or future value.
    • Supports number-base and bitwise operations, unit and currency conversions, and history.

    Where it doesn't

    • Runs on Linux desktop only.
    • Its focus is calculation rather than broader productivity features.
    • Documentation is the listed support channel.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update