Big Yellow Calculator vs + Simple Calc
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!
+ Simple Calc
Perform calculations with a standard calculator that offers extensive customization. Choose from 17 color themes and custom icons, plus enjoy light and dark mode support.
- Standard calculator functionality
- Light and dark mode
- 17 color themes
- Custom icons
- iPhone support
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Do the math with Simple Calc. This is a standard calculator that supports light and dark mode, and 17 color themes + custom icons.
Screenshots
Verdict
The clearest difference is in-app purchases: + Simple Calc at none against Big Yellow Calculator's 1. + Simple Calc also leads on update cadence (every 5 days vs every 2 months). On price, rating, ratings volume and ads 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. + Simple Calc asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Big Yellow Calculator against 5.0 for + Simple Calc. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Big Yellow Calculator ships an update every 2 months, + Simple Calc every 5 days. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.
| Parameter | Big Yellow Calculator | + Simple Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 山 黄 | Alejandro de la Rosa Cortes |
Customer experience
Big Yellow Calculator
+ Simple Calc
In-app purchases
Big Yellow Calculator
- Unlock all features$0.99
+ Simple Calc
No in-app purchases
Questions
Is Big Yellow Calculator free?
Is + Simple Calc free?
Which has better reviews, Big Yellow Calculator or + Simple Calc?
Do Big Yellow Calculator or + Simple Calc have ads?
Which is updated more often, Big Yellow Calculator or + Simple Calc?
Other comparisons
