Dual Calculator vs Numby
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Dual Calculator
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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 โข TWO CALCULATORS ON ONE SCREEN Run two separate calculations side by side and keep both results visible at the same time. โข INSTANT VALUE TRANSFER Move a result from one calculator to the other with a tap. Continue your calculations without memorizing or retyping numbers. โข BASIC CALCULATOR Handle everyday calculations quickly with a simple and easy-to-use interface. โข SCIENTIFIC CALCULATOR Access scientific functions when you need more advanced calculations for math, science, engineering, or study. โข COMPARE RESULTS EASILY Calculate different values simultaneously and compare your results without losing your previous calculation. โข BUILT FOR MULTITASKING Perfect when one calculator isn't enough. Work with two calculations independently while keeping everything visible. โข 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.
Numby
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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 Tired of cluttered, outdated calculator apps?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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Dual Calculator | Numby |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 days โ better |
| Ads | Yes | No โ better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.0 โ better | 16.6 |
| Further details โ not scored | ||
| Size | 41 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Huzaib Sayyed | TEAM MILESTONE GP. |
In-app purchases
Dual Calculator
No in-app purchases
Numby
No in-app purchases
Questions
Is Dual Calculator free?
Is Numby free?
Do Dual Calculator or Numby have ads?
Which is updated more often, Dual Calculator or Numby?
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