# BigInt Calculator vs Calculator 4.0

The clearest difference is in-app purchases: BigInt Calculator at none against Calculator 4.0's 1. BigInt Calculator also leads on ads (none vs shown) and rating (5.0 vs 4.8). Calculator 4.0's advantage is ratings volume (54 vs 4) and iOS requirement (12.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Calculator 4.0 sells 1 one-off in-app purchase. BigInt Calculator asks for nothing beyond the download.

BigInt Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calculator 4.0 has 54 ratings behind it against 4, so its average is the more settled of the two.

BigInt Calculator ships an update every 3 weeks, Calculator 4.0 fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | BigInt Calculator | Calculator 4.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews)** | [4.8 (54 ratings)](https://appshunter.io/ios/app/calculator-40/id6445965184/reviews) |
| Number of ratings | 4 | **54** |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 65 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Pobedria](https://appshunter.io/developer/1610628750) | [Edison Largo](https://appshunter.io/developer/978541799) |

## What reviewers say

### 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


### Calculator 4.0

[App page](https://appshunter.io/ios/app/calculator-40/id6445965184)

Perform daily calculations with a clean interface and large buttons. Features include decimal support, a calculation log, and two themes. Regular updates ensure continuous improvement and new functionalities.

**Highlights:** Intuitive interface with large buttons, Backspace key for corrections, Decimal point or comma support, Calculation display log, Two customizable themes, Regular updates with new features

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is BigInt Calculator free?

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

### Is Calculator 4.0 free?

Calculator 4.0 is free to download, with in-app purchases available.

### Which has better reviews, BigInt Calculator or Calculator 4.0?

BigInt Calculator is rated higher. BigInt Calculator averages 5.0 out of 5 from 4 ratings, while Calculator 4.0 averages 4.8 from 54 ratings.

### Do BigInt Calculator or Calculator 4.0 have ads?

Calculator 4.0 shows ads; BigInt Calculator does not.

### Which is updated more often, BigInt Calculator or Calculator 4.0?

BigInt Calculator ships an update every 3 weeks, and Calculator 4.0 fortnightly. Most recently, BigInt Calculator was updated on November 3, 2026 and Calculator 4.0 on November 3, 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.*