# Calculator. + vs Calculator

The clearest difference is price: Calculator at Free against Calculator. +'s $0.99. Calculator also leads on device support. Calculator. +'s advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 15.0).

Calculator is free to download; Calculator. + costs $0.99 up front. Calculator sells 1 one-off in-app purchase. Calculator. + asks for nothing beyond the download.

## The numbers

| Metric | Calculator. + | Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.6 (17 ratings)](https://appshunter.io/ios/app/calculator-spoken-formulas/id1322880549/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 69.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 38 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tamer Elsharqawy](https://appshunter.io/developer/686691900) | [荣 周](https://appshunter.io/developer/1241562586) |

## What reviewers say

### Calculator. +

[App page](https://appshunter.io/ios/app/calculator-plus/id1099956664)

**In-app purchases:** none


### Calculator

[App page](https://appshunter.io/ios/app/calculator-spoken-formulas/id1322880549)

This calculator app displays mathematical formulas as you type, preventing errors. It offers a history for easy editing, formula references, and sheet management. Customize its appearance with different skins and enjoy a pleasant computing experience with sound and vibration options.

**Highlights:** Formula display for error prevention, Calculation history for editing, Sheet management function, Customizable style skins, Tone and vibration feedback, Dynamic icon changes, Share calculation results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Edition | $6.99 | one-time |


## Frequently asked questions

### Is Calculator. + free?

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

### Is Calculator free?

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

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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.*