Comparison

Dual Calculator vs Numby

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

Head to head
About

Dual Calculator

Features
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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 โ€ข TWO CALCULATORS ON ONE SCREEN Run two separate calculations side by side and keep both results visible at the same time. โ€ข INSTANT VALUE TRANSFER Move a result from one calculator to the other with a tap. Continue your calculations without memorizing or retyping numbers. โ€ข BASIC CALCULATOR Handle everyday calculations quickly with a simple and easy-to-use interface. โ€ข SCIENTIFIC CALCULATOR Access scientific functions when you need more advanced calculations for math, science, engineering, or study. โ€ข COMPARE RESULTS EASILY Calculate different values simultaneously and compare your results without losing your previous calculation. โ€ข BUILT FOR MULTITASKING Perfect when one calculator isn't enough. Work with two calculations independently while keeping everything visible. โ€ข 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.

About

Numby

Features
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Numby is a calculator reimagined with design at its core. Tired of cluttered, outdated calculator apps? Numby offers a refreshingly clean experience with bold, easy-to-read numbers and a thoughtfully minimal interface. Why Numby? Beautiful Typography โ€” Large, high-contrast display makes results instantly readable. Color-Coded Operators โ€” Blue for division, red for multiplication. Recognize operations at a glance. Minimal Design โ€” No clutter, no distractions. Just clean, focused calculations. Expression Preview โ€” See your current calculation below the result. Everyday tools deserve great design. Try Numby today.

Screenshots

Dual Calculator3 screens
Numby3 screens

Verdict

The call

The clearest difference is ads: Numby at none against Dual Calculator's shown. Numby also leads on update cadence (every 2 days vs every 4 months). Dual Calculator's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Dual Calculator ships an update every 4 months, Numby every 2 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

Scorecard3 real differences ยท 3 level
Dual Calculator versus Numby: the parameters behind the verdict, then further details
ParameterDual CalculatorNumby
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 days โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.0 โ€” better16.6
Further details โ€” not scored
Size41 MB16 MB
Age rating4+4+
DeveloperHuzaib SayyedTEAM MILESTONE GP.

In-app purchases

None

Dual Calculator

No in-app purchases

None

Numby

No in-app purchases

Questions

Is Dual Calculator free?
Dual Calculator is free to download, with no in-app purchases.
Is Numby free?
Numby is free to download, with no in-app purchases.
Do Dual Calculator or Numby have ads?
Dual Calculator shows ads; Numby does not.
Which is updated more often, Dual Calculator or Numby?
Dual Calculator ships an update every 4 months, and Numby every 2 days. Most recently, Dual Calculator was updated on October 28, 2026 and Numby on October 30, 2026.

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