# Calculator vs Big Button Calculator Pro

The clearest difference is price: Calculator at Free against Big Button Calculator Pro's $9.99. Big Button Calculator Pro's advantage is ads (none vs shown) and update cadence (every 2 months vs every 13 months). On review sentiment, ratings volume, in-app purchases and device support there is nothing between them.

Calculator is free to download; Big Button Calculator Pro costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Big Button Calculator Pro holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 910 and 463 respectively. Written reviews complicate that: 80% of Calculator's written reviews are positive against 79% of Big Button Calculator Pro's, so the app with the better star average is not the one people write more warmly about.

Calculator ships an update every 13 months, Big Button Calculator Pro every 2 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Calculator | Big Button Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.7 (910 ratings)](https://appshunter.io/ios/app/calculator/id549782479/reviews) | **[4.9 (463 ratings)](https://appshunter.io/ios/app/big-button-calculator-pro/id1131056963/reviews)** |
| Number of ratings | **910** | 463 |
| Positive reviews | **79.6% of reviews** | 78.6% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 11 MB | 27 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Horizon Business, Inc.](https://appshunter.io/developer/431586531) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator/id549782479)

This is a straightforward calculator application designed for ease of use and clear readability. Users can personalize the app's appearance by choosing their preferred background and display themes.

**Highlights:** Easy to use interface, Clear display, Customizable background, Customizable display themes

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💻 Easy to use
- 🎨 Colorful and visually appealing
- 👀 Large, easy-to-read numbers
- 🎯 Accurate calculations
- 🆓 Free app

**What reviewers complain about**

- 🔊 Loud button clicking sound that can't be turned off
- 📏 Lacks landscape mode
- 🔢 No percentage or advanced math functions

**Reported bugs**

- Sound toggle switch doesn't work to turn off sounds
- App crashes or freezes on some devices

**Requested features**

- Add percentage and other advanced math functions
- Allow landscape mode
- Add option to turn off button sounds


### Big Button Calculator Pro

[App page](https://appshunter.io/ios/app/big-button-calculator-pro/id1131056963)

A user-friendly calculator app featuring large, colorful buttons and a dual-line display for simultaneous input and result viewing. It supports long equations, offers customizable themes and sounds, and includes accessibility features.

**Highlights:** Dual-line display, Big buttons, 18 color themes, Multi-line input, Gesture controls, VoiceOver accessibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calculator free?

Calculator is free to download, with no in-app purchases.

### Is Big Button Calculator Pro free?

Big Button Calculator Pro costs $9.99, with no in-app purchases.

### Which has better reviews, Calculator or Big Button Calculator Pro?

Big Button Calculator Pro is rated higher. Calculator averages 4.7 out of 5 from 910 ratings, while Big Button Calculator Pro averages 4.9 from 463 ratings.

### Do Calculator or Big Button Calculator Pro have ads?

Calculator shows ads; Big Button Calculator Pro does not.

### Which is updated more often, Calculator or Big Button Calculator Pro?

Calculator ships an update every 13 months, and Big Button Calculator Pro every 2 months. Most recently, Calculator was updated on October 14, 2026 and Big Button Calculator Pro on October 8, 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.*