# iPocket Calculator vs Big Yellow Calculator

The clearest difference is monetization model: Big Yellow Calculator at free against iPocket Calculator's free with in-app purchases. Big Yellow Calculator also leads on rating (5.0 vs 4.7) and update cadence (every 2 months vs every 10 months). iPocket Calculator's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iPocket Calculator sells 1 one-off in-app purchase and Big Yellow Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Big Yellow Calculator holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

iPocket Calculator ships an update every 10 months, Big Yellow Calculator every 2 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iPocket Calculator | Big Yellow Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/ipocket-calculator/id6445945819/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/big-yellow-calculator/id6446835863/reviews)** |
| Number of ratings | **3** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 1 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mahmoud Suliman](https://appshunter.io/developer/571829037) | [山 黄](https://appshunter.io/developer/1679305097) |

## What reviewers say

### iPocket Calculator

[App page](https://appshunter.io/ios/app/ipocket-calculator/id6445945819)

This app provides a fast and intuitive interface for basic and advanced calculations. Users can personalize the look with customizable themes and colors for a tailored experience. Enjoy smooth, user-friendly operation and quick, reliable results on the go.

**Highlights:** Customizable themes, Sleek and modern interface, Fast calculations, User-friendly experience, Share or print results

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is iPocket Calculator free?

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

### Is Big Yellow Calculator free?

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

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

Big Yellow Calculator is rated higher. iPocket Calculator averages 4.7 out of 5 from 3 ratings, while Big Yellow Calculator averages 5.0 from 1 ratings.

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

Neither iPocket Calculator nor Big Yellow Calculator shows ads.

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

iPocket Calculator ships an update every 10 months, and Big Yellow Calculator every 2 months. Most recently, iPocket Calculator was updated on October 4, 2026 and Big Yellow Calculator on October 12, 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.*