# DataPocket vs Big Number Calculator Pro

The clearest difference is price: DataPocket at Free against Big Number Calculator Pro's $0.99. Big Number Calculator Pro's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

DataPocket is free to download; Big Number Calculator Pro costs $0.99 up front. DataPocket sells 2 in-app purchases, starting at $4.99 per month. Big Number Calculator Pro asks for nothing beyond the download.

## The numbers

| Metric | DataPocket | Big Number Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 24 MB | 24 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KENJIRO OBORA](https://appshunter.io/developer/1025407585) | [Tuyen Nguyen](https://appshunter.io/developer/1815134704) |

## What reviewers say

### DataPocket

[App page](https://appshunter.io/ios/app/datapocket/id6618158585)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| WebLink 5 Tickets | $4.99 | one-time |


### 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 DataPocket free?

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

### Is Big Number Calculator Pro free?

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

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

Neither DataPocket 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.*