# Big Yellow Calculator vs Calculator Plug

The clearest difference is update cadence: Calculator Plug at every 4 days against Big Yellow Calculator's every 2 months. Big Yellow Calculator's advantage is monetization model (free vs free with in-app purchases). 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 and Calculator Plug sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Big Yellow Calculator against 5.0 for Calculator Plug. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Big Yellow Calculator ships an update every 2 months, Calculator Plug every 4 days. The most recent releases landed on October 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Big Yellow Calculator | Calculator Plug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/big-yellow-calculator/id6446835863/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-plug/id6775307587/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [山 黄](https://appshunter.io/developer/1679305097) | [Mark Gabrielli](https://appshunter.io/developer/6775036752) |

## 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 |


### Calculator Plug

[App page](https://appshunter.io/ios/app/calculator-plug/id6775307587)

Access over 450 specialized calculators for construction, finance, health, trades, and more. This app offers a clean, offline-capable interface for quick, accurate calculations without intrusive ads.

**Highlights:** 450+ searchable calculators, Offline functionality, Clean dark interface, Construction calculators, Finance calculators, Health and fitness calculators, Trades calculators

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro+ Monthly | $9.99 | per month |
| Pro Lifetime | $29.99 | one-time |
| Pro+ Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Big Yellow Calculator free?

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

### Is Calculator Plug free?

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

### Which has better reviews, Big Yellow Calculator or Calculator Plug?

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

### Do Big Yellow Calculator or Calculator Plug have ads?

Neither Big Yellow Calculator nor Calculator Plug shows ads.

### Which is updated more often, Big Yellow Calculator or Calculator Plug?

Big Yellow Calculator ships an update every 2 months, and Calculator Plug every 4 days. Most recently, Big Yellow Calculator was updated on October 12, 2026 and Calculator Plug on October 31, 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.*