Comparison

2 Field % Calc vs Dual Calculator

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

Head to head
About

2 Field % Calc

Calculate percentages between two numbers for various uses, including resizing images and determining magnification. Ideal for DTP and web designers needing quick calculations.

Highlights
  • Calculate percent between two numbers
  • Image resizing by percentage
  • Magnification calculation
  • Useful for DTP and web designers
Features
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Calculation of percent for two numbers. Simply you input number and Dial Percent. We are using this app for resizing image with percent. Especially for resizing to different size of image. For DTP and Web designer ! Also you can calculate magnification. ( B/A = How much bigger is it ? ) We hope that this app helps your work. Thank you!! And there is "Aspect Ratio C Calc" App. Please visit our site: http://www.4us.jp We made other apps.

About

Dual Calculator

Features
Read full description

Two calculators. One screen. Faster calculations. Dual Calculator: Split Screen gives you two calculators in one clean workspace, making it easy to calculate, compare results, and work with multiple numbers without constantly switching screens. Whether you're studying, working with numbers, handling business calculations, or solving scientific math problems, the dual calculator layout helps you work faster and stay focused. KEY FEATURES • TWO CALCULATORS ON ONE SCREEN Run two separate calculations side by side and keep both results visible at the same time. • INSTANT VALUE TRANSFER Move a result from one calculator to the other with a tap. Continue your calculations without memorizing or retyping numbers. • BASIC CALCULATOR Handle everyday calculations quickly with a simple and easy-to-use interface. • SCIENTIFIC CALCULATOR Access scientific functions when you need more advanced calculations for math, science, engineering, or study. • COMPARE RESULTS EASILY Calculate different values simultaneously and compare your results without losing your previous calculation. • BUILT FOR MULTITASKING Perfect when one calculator isn't enough. Work with two calculations independently while keeping everything visible. • FAST AND LIGHTWEIGHT Designed for quick calculations, reliable performance, and an uncomplicated calculator experience. USEFUL FOR Students solving math and science problems, engineers working with multiple values, accountants and business users comparing figures, and anyone who regularly needs more than one calculation at a time. Instead of switching between calculator screens or writing down temporary results, keep two calculations ready at once. Calculate side by side. Compare instantly. Transfer results with a tap. Download Dual Calculator: Split Screen and make everyday calculations faster and easier.

Screenshots

2 Field % Calc4 screens
Dual Calculator3 screens

Verdict

The call

The clearest difference is ads: 2 Field % Calc at none against Dual Calculator's shown. Dual Calculator's advantage is update cadence (every 5 months vs every 30 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

2 Field % Calc ships an update every 30 months, Dual Calculator every 5 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
2 Field % Calc versus Dual Calculator: the parameters behind the verdict, then further details
Parameter2 Field % CalcDual Calculator
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 30 monthsEvery 5 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size1 MB33 MB
Age rating4+4+
DeveloperToshihiro NakaneHuzaib Sayyed

In-app purchases

None

2 Field % Calc

No in-app purchases

None

Dual Calculator

No in-app purchases

Questions

Is 2 Field % Calc free?
2 Field % Calc is free to download, with no in-app purchases.
Is Dual Calculator free?
Dual Calculator is free to download, with no in-app purchases.
Do 2 Field % Calc or Dual Calculator have ads?
Dual Calculator shows ads; 2 Field % Calc does not.
Which is updated more often, 2 Field % Calc or Dual Calculator?
2 Field % Calc ships an update every 30 months, and Dual Calculator every 5 months. Most recently, 2 Field % Calc was updated on October 6, 2026 and Dual Calculator on October 4, 2026.

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