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

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Calculators

Omni Calculator vs Mathway

  • Updated Oct 2026
  • Both researched from official sources
  • 5 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
Mathway #6 in Calculators 8.7/10 Free plan · 7-day trial Free planFree trial✓ 0 of 6 features Visit Mathway

Omni Calculator leads on 0 checks, Mathway on 0, and 5 are even. Who comes out ahead on the 5 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
  • Free trialonly Mathway
  • Most featuresOmni Calculator · 4 of 6

Omni Calculator scores higher on our rubric for calculators: 9.0 against 8.7 out of 10; our editors rank them #3 and #6.

Omni Calculator is the better fit for people seeking specialized calculators and worked examples. Mathway is the better fit for students needing broad math problem solving and steps.

  • Omni Calculator fits best

    People seeking specialized calculators and worked examples

  • Mathway fits best

    Students needing broad math problem solving and steps

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 ↗ Mathway 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #3 in Calculators #6 in Calculators
Best for People seeking specialized calculators and worked examples Students needing broad math problem solving and steps
Pricing model Free Free plan + paid
Starting price Free plan $39.99/yr
Free plan ✓ ✓
Free trial — 7 days
Deployment Cloud, Mobile Cloud, Desktop, Mobile
Platforms Web, Android Web, Windows, iOS, Android
Features Omni Calculator 4/6 · Mathway 0/6
Scientific functions ✓ (best) Not checked yet
Graphing ✓ (best) Not checked yet
Equation solver ✓ (best) Not checked yet
Financial functions ✓ (best) Not checked yet
Offline mode Not checked yet Not checked yet
Calculation history Not checked yet Not checked yet
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.
  • Accepts typed problems and photos of handwritten or printed work
  • Covers subjects from basic math through calculus, statistics, chemistry and physics
  • Offers graphing, equation, derivative, integral and statistics calculators
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.
  • Full step-by-step work requires a paid subscription
  • The free plan includes advertisements
  • It focuses on solving math problems rather than general-purpose calculations
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 →

Mathway is a web and mobile math problem solver for students, parents and teachers. Users can type a problem or upload a photo of handwritten or printed work, select a subject, and receive a solution with the method shown step by step. Its…

Read the review →
  1. Omni CalculatorCalculators 9.0Free plan
  2. MathwayCalculators 8.7Free plan · 7-day trial

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.

  • Mathway — where it wins

    • Accepts typed problems and photos of handwritten or printed work
    • Covers subjects from basic math through calculus, statistics, chemistry and physics
    • Offers graphing, equation, derivative, integral and statistics calculators

    Where it doesn't

    • Full step-by-step work requires a paid subscription
    • The free plan includes advertisements
    • It focuses on solving math problems rather than general-purpose calculations
  • Omni Calculator9.0/10 · Free plan

    A free library of specialized calculators with explanations, conversions and two-way inputs.

    Try Omni CalculatorFull verdict →
  • Mathway8.7/10 · Free plan · 7-day trial

    A broad math solver for students who want answers and worked steps from typed or photographed problems.

    Visit MathwayFull verdict →

More comparisons

All calculators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update