# Big Button Calculator Pro vs BigInt Calculator

The clearest difference is price: BigInt Calculator at Free against Big Button Calculator Pro's $9.99. BigInt Calculator also leads on update cadence (every 3 weeks vs every 2 months). Big Button Calculator Pro's advantage is ratings volume (477 vs 5) and review sentiment (79% vs 57%). On ads, in-app purchases and device support there is nothing between them.

BigInt 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 4.6. That said, the two scores are not equally well evidenced: Big Button Calculator Pro has 477 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 79% of Big Button Calculator Pro's written reviews are positive against 57% of BigInt Calculator's.

Big Button Calculator Pro ships an update every 2 months, BigInt Calculator every 3 weeks. The most recent releases landed on November 1, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Big Button Calculator Pro | BigInt Calculator |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.9 (477 ratings)](https://appshunter.io/ios/app/big-button-calculator-pro/id1131056963/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews) |
| Number of ratings | **477** | 5 |
| Positive reviews | **78.6% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 27 MB | 2 MB |
| Requires iOS | **15.2** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Viktor Pobedria](https://appshunter.io/developer/1610628750) |

## What reviewers say

### 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


### BigInt Calculator

[App page](https://appshunter.io/ios/app/bigint-calculator/id1610628748)

This app offers a fast, multi-threaded calculator with a spreadsheet-like interface for easy editing and instant updates. It handles large numbers and complex expressions with arbitrary-precision arithmetic, making it suitable for various real-world calculations.

**Highlights:** Table-based input with step-by-step editing, Automatic real-time recalculation, Handles complex expressions with parentheses and exponents, Arbitrary-precision arithmetic for massive numbers, 3 independent workspaces, Universal support for iPhone, iPad, and Mac

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Big Button Calculator Pro free?

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

### Is BigInt Calculator free?

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

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

Big Button Calculator Pro is rated higher. Big Button Calculator Pro averages 4.9 out of 5 from 477 ratings, while BigInt Calculator averages 4.6 from 5 ratings.

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

Neither Big Button Calculator Pro nor BigInt Calculator shows ads.

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

Big Button Calculator Pro ships an update every 2 months, and BigInt Calculator every 3 weeks. Most recently, Big Button Calculator Pro was updated on November 1, 2026 and BigInt Calculator on October 21, 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.*