# Big Yellow Calculator vs + Simple Calc

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.

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.

## The numbers

| Metric | Big Yellow Calculator | + Simple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/big-yellow-calculator/id6446835863/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/plus-simple-calc/id6448763641/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [山 黄](https://appshunter.io/developer/1679305097) | [Alejandro de la Rosa Cortes](https://appshunter.io/developer/1506520491) |

## What reviewers say

### Big Yellow Calculator

[App page](https://appshunter.io/ios/app/big-yellow-calculator/id6446835863)

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.

**Highlights:** Customizable layouts, Standard and scientific modes, Store intermediate results, Up to 10 stored results, Versatile functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $0.99 | one-time |


### + Simple Calc

[App page](https://appshunter.io/ios/app/plus-simple-calc/id6448763641)

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.

**Highlights:** Standard calculator functionality, Light and dark mode, 17 color themes, Custom icons, iPhone support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Big Yellow Calculator free?

Big Yellow Calculator is free to download, with in-app purchases available.

### Is + Simple Calc free?

+ Simple Calc is free to download, with no in-app purchases.

### Which has better reviews, Big Yellow Calculator or + Simple Calc?

Big Yellow Calculator and + Simple Calc are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Big Yellow Calculator or + Simple Calc have ads?

Neither Big Yellow Calculator nor + Simple Calc shows ads.

### Which is updated more often, Big Yellow Calculator or + Simple Calc?

Big Yellow Calculator ships an update every 2 months, and + Simple Calc every 5 days. Most recently, Big Yellow Calculator was updated on October 12, 2026 and + Simple Calc on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*