# ProSITE vs BigInt Calculator

The clearest difference is iOS requirement: ProSITE at 15.0 against BigInt Calculator's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProSITE ships an update every 5 weeks, BigInt Calculator every 3 weeks. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ProSITE | BigInt Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 290 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SMIE](https://appshunter.io/developer/976569921) | [Viktor Pobedria](https://appshunter.io/developer/1610628750) |

## What reviewers say

### ProSITE

[App page](https://appshunter.io/ios/app/prosite/id1531318351)

**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 ProSITE free?

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

### Is BigInt Calculator free?

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

### Do ProSITE or BigInt Calculator have ads?

Neither ProSITE nor BigInt Calculator shows ads.

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

ProSITE ships an update every 5 weeks, and BigInt Calculator every 3 weeks. Most recently, ProSITE was updated on October 6, 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.*