# ProCalc vs Calculator+ Simple Math

The clearest difference is in-app purchases: Calculator+ Simple Math at none against ProCalc's 4. Calculator+ Simple Math also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ProCalc sells 4 one-off in-app purchases. Calculator+ Simple Math asks for nothing beyond the download.

## The numbers

| Metric | ProCalc | Calculator+ Simple Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 34 MB | 19 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Penquinzoo Limited](https://appshunter.io/developer/1551454365) | [Space 64 LLC](https://appshunter.io/developer/1769185943) |

## What reviewers say

### ProCalc

[App page](https://appshunter.io/ios/app/procalc-calculator-app/id6756341509)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Flat themes | $3.99 | one-time |
| Graphs and pdf export. | $3.99 | one-time |
| Unlock Neon themes | $4.99 | one-time |
| All  themes | $4.99 | one-time |


### Calculator+ Simple Math

[App page](https://appshunter.io/ios/app/calculator-plus-simple-math/id6764523918)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProCalc free?

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

### Is Calculator+ Simple Math free?

Calculator+ Simple Math is free to download, with no in-app purchases.

### Do ProCalc or Calculator+ Simple Math have ads?

ProCalc shows ads; Calculator+ Simple Math does not.

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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.*