# Volume and Geometry vs Proctor Modificado

The clearest difference is update cadence: Volume and Geometry at every 3 weeks against Proctor Modificado's every 6 weeks. Volume and Geometry also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Volume and Geometry ships an update every 3 weeks, Proctor Modificado every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Volume and Geometry | Proctor Modificado |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (180 ratings)](https://appshunter.io/ios/app/volume-and-geometry/id1280996873/reviews)** | — |
| Number of ratings | **180** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 6 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) | [Juan Javier Baba Toyofuko](https://appshunter.io/developer/1704391092) |

## What reviewers say

### Volume and Geometry

[App page](https://appshunter.io/ios/app/volume-and-geometry/id1280996873)

Calculate the volume of various geometric shapes quickly and easily. This app provides step-by-step calculation explanations, making it ideal for learning and understanding mathematical concepts.

**Highlights:** Volume calculation for geometric solids, Clear and intuitive interface, Step-by-step calculation explanations, Instant results, Learning and review tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Proctor Modificado

[App page](https://appshunter.io/ios/app/proctor-modificado/id6469327784)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Volume and Geometry free?

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

### Is Proctor Modificado free?

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

### Do Volume and Geometry or Proctor Modificado have ads?

Neither Volume and Geometry nor Proctor Modificado shows ads.

### Which is updated more often, Volume and Geometry or Proctor Modificado?

Volume and Geometry ships an update every 3 weeks, and Proctor Modificado every 6 weeks. Most recently, Volume and Geometry was updated on November 3, 2026 and Proctor Modificado on November 3, 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.*