# BigInt Calculator vs Calcu Plus

The clearest difference is in-app purchases: BigInt Calculator at none against Calcu Plus's 1. Calcu Plus's advantage is update cadence (every 11 days vs every 3 weeks) and iOS requirement (16.1 vs 18.0). On price and device support there is nothing between them.

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

BigInt Calculator ships an update every 3 weeks, Calcu Plus every 11 days. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | BigInt Calculator | Calcu Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | 18.0 | **16.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Pobedria](https://appshunter.io/developer/1610628750) | [Jaspreet Singh](https://appshunter.io/developer/1128027430) |

## 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


### Calcu Plus

[App page](https://appshunter.io/ios/app/calcu-plus/id6445866169)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get All Themes | $3.99 | one-time |


## Frequently asked questions

### Is BigInt Calculator free?

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

### Is Calcu Plus free?

Calcu Plus is free to download, with in-app purchases available.

### Which is updated more often, BigInt Calculator or Calcu Plus?

BigInt Calculator ships an update every 3 weeks, and Calcu Plus every 11 days. Most recently, BigInt Calculator was updated on October 4, 2026 and Calcu Plus on October 2, 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.*