Comparison

Ratio Calculator vs ROE Scanner

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

Head to head
About

Ratio Calculator

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Ratio & Proportion Calculator is your complete math utility for solving ratios, proportions, percentages, scale calculations, direct and inverse proportion problems, mixing ratios, construction ratios, and much more. Whether you are a student, teacher, engineer, contractor, accountant, or business owner, this app helps you solve ratio problems quickly and accurately without manual calculations. No more confusion with cross multiplication, percentage conversions, recipe scaling, construction mix ratios, or financial proportions. Get instant results with step-by-step solutions and save time every day. MAIN FEATURES: • Simple Ratio Calculator Calculate and simplify ratios instantly • Proportion Solver Find missing values using cross multiplication • Direct Proportion Calculator Perfect for work, speed, and quantity calculations • Inverse Proportion Calculator Useful for workers, time, and speed problems • Scale Ratio Calculator Ideal for maps, architecture, and engineering drawings • Mixing Ratio Calculator Concrete mix, paint mix, fuel mix, recipes, and more • Percentage Ratio Calculator Convert ratio to percentage and percentage to ratio • Golden Ratio Calculator Useful for design, architecture, and visual balance • Aspect Ratio Calculator Screen size, image dimensions, and video ratios • Financial Ratio Calculator Profit sharing, investment division, and expense ratio • Construction Ratio Calculator Cement, sand, aggregate, and material distribution • Recipe Ratio Calculator Scale ingredients for cooking and food preparation Perfect for education, business, construction, engineering, finance, and daily life calculations. Download Ratio & Proportion Calculator now and solve every ratio problem easily.

About

ROE Scanner

Features
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This tool will help you to determine the right batch type of your ROE Visual LED module. Perfect for repair and maintenance purposes.

Screenshots

Ratio Calculator3 screens
ROE Scanner3 screens

Verdict

The call

The clearest difference is price: ROE Scanner at Free against Ratio Calculator's $4.99. Ratio Calculator's advantage is iOS requirement (12.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

ROE Scanner is free to download; Ratio Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ratio Calculator ships an update every 35 months, ROE Scanner every 30 months. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Ratio Calculator versus ROE Scanner: the parameters behind the verdict, then further details
ParameterRatio CalculatorROE Scanner
Price$4.99Free — better
Update frequencyEvery 35 monthsEvery 30 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.1
Further details — not scored
Size28 MB24 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaROE Visual Co., Ltd

In-app purchases

None

Ratio Calculator

No in-app purchases

None

ROE Scanner

No in-app purchases

Questions

Is Ratio Calculator free?
Ratio Calculator costs $4.99, with no in-app purchases.
Is ROE Scanner free?
ROE Scanner is free to download, with no in-app purchases.
Do Ratio Calculator or ROE Scanner have ads?
Neither Ratio Calculator nor ROE Scanner shows ads.
Which is updated more often, Ratio Calculator or ROE Scanner?
Ratio Calculator ships an update every 35 months, and ROE Scanner every 30 months. Most recently, Ratio Calculator was updated on September 10, 2026 and ROE Scanner on September 8, 2026.

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