# Area Volume and Conversion vs CalculateVolumePro

The clearest difference is in-app purchases: Area Volume and Conversion at none against CalculateVolumePro's 1. Area Volume and Conversion also leads on iOS requirement (11.4 vs 18.0). CalculateVolumePro's advantage is update cadence (weekly vs every 33 months). On price, ads and device support there is nothing between them.

Both are free to download. CalculateVolumePro sells 1 one-off in-app purchase. Area Volume and Conversion asks for nothing beyond the download.

Area Volume and Conversion ships an update every 33 months, CalculateVolumePro weekly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Area Volume and Conversion | CalculateVolumePro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Weekly** |
| Size | 5 MB | 3 MB |
| Requires iOS | **11.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rakesh Gandhi](https://appshunter.io/developer/608287340) | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) |

## What reviewers say

### Area Volume and Conversion

[App page](https://appshunter.io/ios/app/area-volume-and-conversion/id820325644)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalculateVolumePro

[App page](https://appshunter.io/ios/app/calculatevolumepro/id6737241011)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detailed calculations | $0.99 | one-time |


## Frequently asked questions

### Is Area Volume and Conversion free?

Area Volume and Conversion is free to download, with no in-app purchases.

### Is CalculateVolumePro free?

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

### Do Area Volume and Conversion or CalculateVolumePro have ads?

Neither Area Volume and Conversion nor CalculateVolumePro shows ads.

### Which is updated more often, Area Volume and Conversion or CalculateVolumePro?

Area Volume and Conversion ships an update every 33 months, and CalculateVolumePro weekly. Most recently, Area Volume and Conversion was updated on November 1, 2026 and CalculateVolumePro on November 8, 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.*