# Basic Calculator vs Big Button Calculator Pro

The clearest difference is price: Basic Calculator at Free against Big Button Calculator Pro's $9.99. Basic Calculator also leads on ratings volume (3.2K vs 463). Big Button Calculator Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment, update cadence and device support there is nothing between them.

Basic Calculator is free to download; Big Button Calculator Pro costs $9.99 up front. Basic Calculator sells 1 one-off in-app purchase. Big Button Calculator Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Basic Calculator against 4.9 for Big Button Calculator Pro. That said, the two scores are not equally well evidenced: Basic Calculator has 3.2K ratings behind it against 463, so its average is the more settled of the two. Written reviews are what separate them: 74% of Basic Calculator's written reviews are positive against 79% of Big Button Calculator Pro's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Basic Calculator | Big Button Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.8 (3.2K ratings)](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248/reviews) | **[4.9 (463 ratings)](https://appshunter.io/ios/app/big-button-calculator-pro/id1131056963/reviews)** |
| Number of ratings | **3.2K** | 463 |
| Positive reviews | 74.3% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 100 MB | 27 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [MobArts](https://appshunter.io/developer/429185872) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Basic Calculator

[App page](https://appshunter.io/ios/app/basic-calculator-classic-calc/id430271248)

A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.

**Highlights:** Large, easy-to-press buttons, Multiple beautiful skins, Basic arithmetic operations, Standard memory functions, Supports large numbers (up to 60 digits), Multitasking support (Split View, Slide Over)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner Ad Removal | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Useful copy and paste functions
- 👍 Clear and large display
- 👍 Variety of skins/themes
- 👍 Responsive and fast

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 🐛 Inaccurate calculations with larger numbers
- 🔋 Slow load times
- 🔍 Intrusive ads

**Reported bugs**

- Crashes or freezes after iOS updates
- Percent key not functioning correctly

**Requested features**

- Reinstate iPhone version
- Add scientific calculator functions
- Improve memory retention


### 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 Basic Calculator free?

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

### Is Big Button Calculator Pro free?

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

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

Big Button Calculator Pro is rated higher. Basic Calculator averages 4.8 out of 5 from 3.2K ratings, while Big Button Calculator Pro averages 4.9 from 463 ratings.

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

Basic Calculator shows ads; Big Button Calculator Pro does not.

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

Basic Calculator ships an update every 2 months, and Big Button Calculator Pro every 2 months. Most recently, Basic Calculator was updated on October 15, 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.*