# ReadableCalc vs Big Number Calculator Pro

The clearest difference is price: ReadableCalc at Free against Big Number Calculator Pro's $0.99. ReadableCalc also leads on iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ReadableCalc | Big Number Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 28 MB | 24 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YONAGARE LAB](https://appshunter.io/developer/1810986554) | [Tuyen Nguyen](https://appshunter.io/developer/1815134704) |

## What reviewers say

### ReadableCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Number Calculator Pro

[App page](https://appshunter.io/ios/app/big-number-calculator-pro/id6747635282)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ReadableCalc free?

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

### Is Big Number Calculator Pro free?

Big Number Calculator Pro costs $0.99, with no in-app purchases.

### Do ReadableCalc or Big Number Calculator Pro have ads?

Neither ReadableCalc nor Big Number Calculator Pro shows ads.

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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.*