# BigInt Calculator vs ReadableCalc

The clearest difference is update cadence: ReadableCalc at weekly against BigInt Calculator's every 3 weeks. ReadableCalc also leads on iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

BigInt Calculator ships an update every 3 weeks, ReadableCalc weekly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BigInt Calculator | ReadableCalc |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 28 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) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## 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


### ReadableCalc

[App page](https://appshunter.io/ios/app/readablecalc/id6747457253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BigInt Calculator free?

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

### Is ReadableCalc free?

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

### Do BigInt Calculator or ReadableCalc have ads?

Neither BigInt Calculator nor ReadableCalc shows ads.

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

BigInt Calculator ships an update every 3 weeks, and ReadableCalc weekly. Most recently, BigInt Calculator was updated on October 4, 2026 and ReadableCalc on October 7, 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.*