Big Yellow Calculator vs Dual Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Yellow Calculator
This versatile calculator app offers customizable layouts, switching between standard and scientific modes. It also allows users to store up to 10 intermediate results for complex calculations, making it a functional tool for various needs.
- Customizable layouts
- Standard and scientific modes
- Store intermediate results
- Up to 10 stored results
- Versatile functionality
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Tired of rigid, one-size-fits-all calculator interfaces? CustomCalc redefines your calculating experience with two powerful core features tailored for personalized and efficient math work. Fully Customizable Button Layout Take full control of your calculator interface! Add, delete, rearrange, and hide any function buttons based on your daily needs. Whether you want a minimal layout for simple daily arithmetic or a customized panel for advanced scientific calculations, you can design it in one tap. Drag-and-drop operation makes layout adjustment intuitive and effortless, eliminating useless buttons and keeping your most-used functions front and center. Save & Recall Intermediate Results Solve complex multi-step calculations effortlessly! Store any intermediate values during your computing process with one click. Access, edit, or reuse saved results anytime without rewriting formulas or retyping numbers. Perfect for accounting, engineering calculations, student homework, and daily multi-step math tasks, greatly reducing calculation errors and saving your time. Designed for iOS devices, CustomCalc delivers smooth, ad-free calculating performance. Customize your layout, organize your data, and calculate smarter today!
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 • 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.
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Verdict
The clearest difference is in-app purchases: Dual Calculator at none against Big Yellow Calculator's 1. Big Yellow Calculator's advantage is ads (none vs shown). On price, update cadence, 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
Both are free to download. Big Yellow Calculator sells 1 one-off in-app purchase. Dual Calculator asks for nothing beyond the download.
Big Yellow Calculator ships an update every 2 months, Dual Calculator every 4 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Big Yellow Calculator | Dual Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | 山 黄 | Huzaib Sayyed |
In-app purchases
Big Yellow Calculator
- Unlock all features$0.99
Dual Calculator
No in-app purchases
Questions
Is Big Yellow Calculator free?
Is Dual Calculator free?
Do Big Yellow Calculator or Dual Calculator have ads?
Which is updated more often, Big Yellow Calculator or Dual Calculator?
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