# CRC Calculator vs BigInt Calculator

The clearest difference is price: BigInt Calculator at Free against CRC Calculator's $0.99. BigInt Calculator also leads on update cadence (every 3 weeks vs every 13 months). CRC Calculator's advantage is review sentiment (80% vs 57%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BigInt Calculator is free to download; CRC Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CRC Calculator ships an update every 13 months, BigInt Calculator every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CRC Calculator | BigInt Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bigint-calculator/id1610628748/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **80.0% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 2 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Firmtronics Pty. Ltd.](https://appshunter.io/developer/1318424787) | [Viktor Pobedria](https://appshunter.io/developer/1610628750) |

## What reviewers say

### CRC Calculator

[App page](https://appshunter.io/ios/app/crc-calculator/id984488943)

This utility generates cyclic redundancy check (CRC) bytes from input data using polynomial division. It supports 8, 16, 32, and 64-bit check bytes and allows data input via manual entry or file upload. Users can choose between normal or reversed CRC formats.

**Highlights:** Generates 8, 16, 32, & 64-bit CRC bytes, Input data via manual entry (hex), Source data from uploaded files, Supports normal and reversed CRC formats, Integrated document explorer

**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 CRC Calculator free?

CRC Calculator costs $0.99, with no in-app purchases.

### Is BigInt Calculator free?

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

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

Neither CRC Calculator nor BigInt Calculator shows ads.

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

CRC Calculator ships an update every 13 months, and BigInt Calculator every 3 weeks. Most recently, CRC Calculator was updated on November 1, 2026 and BigInt Calculator 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.*