Comparison

Ratio Calculation vs MATH Keys

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ratio Calculation

Features
Read full description

You can calculate various ratios with this one application. You can calculate the ratio, calculate the golden ratio, calculate the silver ratio. In addition, it can be reused remembers a set of ratio.

About

MATH Keys

Easily create mathematical equations, formulas, and symbols online. This free tool enhances academic productivity for students and educators by providing quick access to a wide range of mathematical notations.

Highlights
  • Online equation editor
  • Mathematical symbols and operations
  • Latex notation tools
  • Copy and share formulas
  • Calculus, Algebra, Trigonometry support
  • Free to use
Features
Read full description

MATH Keys is a completely free online equation editor that allows users to write mathematical equations, formulas, and symbols online! Our mission is to boost productivity in academic life whether that is for teachers, graduates, or students. Type out anything you want with your regular keyboard, and press the buttons on our MATH Keys to access mathematical symbols and operations. With the latex notation tools, you can copy or share whatever formula, equation, or symbol you just created anywhere you want. How to use: - Use your device keyboard to type your equation. You can use numbers, letters, or any other symbol on your device keyboard - Use the extension MATH Keys to click on symbols, such as integrals, sigma, fraction, etc.. - Navigate around by tapping your device Use the buttons as follows: - Copy Button: press the button to share an image. Once the share options pop up, press any option you'd like and press "copy" to copy the image. - New Button: delete the formula and start a new one Features and formulas for: - Calculus - Finite and infinite Integrals - Derivatives - Limits - Sigma symbol - Combinatorics - Algebra - Logs - Exponents - Radicals - Fractions - Inequalities - matrix - Trigonometry - Trigonometric functions - Common greek symbols: pi, alpha, beta, theta You can you use this app the same as a math latex online editor, math equation online editor, or MathQuill editor.

Screenshots

Ratio Calculation1 screens
MATH Keys3 screens

Verdict

The call

The clearest difference is ads: MATH Keys at none against Ratio Calculation's shown. MATH Keys also leads on update cadence (every 6 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ratio Calculation ships an update every 5 months, MATH Keys every 6 weeks. The most recent releases landed on May 16, 2026 and July 22, 2026 respectively.

Scorecard2 real differences · 8 level
Ratio Calculation versus MATH Keys: the parameters behind the verdict, then further details
ParameterRatio CalculationMATH Keys
PriceFreeFree
Rating—4.3 (6 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size4 MB2 MB
Age rating4+4+
DeveloperTomohiko AkamineGuy Goldstein

In-app purchases

None

Ratio Calculation

No in-app purchases

None

MATH Keys

No in-app purchases

Questions

Is Ratio Calculation free?
Ratio Calculation is free to download, with no in-app purchases.
Is MATH Keys free?
MATH Keys is free to download, with no in-app purchases.
Do Ratio Calculation or MATH Keys have ads?
Ratio Calculation shows ads; MATH Keys does not.
Which is updated more often, Ratio Calculation or MATH Keys?
Ratio Calculation ships an update every 5 months, and MATH Keys every 6 weeks. Most recently, Ratio Calculation was updated on May 16, 2026 and MATH Keys on July 22, 2026.

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