# sketchometry vs Volume and Geometry

sketchometry and Volume and Geometry both sit at 4.6 stars, but that hides the real split: 65% of sketchometry's written reviews are positive against 20% of Volume and Geometry's. sketchometry also leads on in-app purchases (none vs 2). Volume and Geometry's advantage is ratings volume (178 vs 5) and iOS requirement (12.0 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Volume and Geometry sells 2 one-off in-app purchases. sketchometry asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for sketchometry against 4.6 for Volume and Geometry. That said, the two scores are not equally well evidenced: Volume and Geometry has 178 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 65% of sketchometry's written reviews are positive against 20% of Volume and Geometry's.

sketchometry ships an update every 10 days, Volume and Geometry every 3 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | sketchometry | Volume and Geometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/sketchometry/id635195332/reviews) | **[4.6 (178 ratings)](https://appshunter.io/ios/app/volume-and-geometry/id1280996873/reviews)** |
| Number of ratings | 5 | **178** |
| Positive reviews | **65.0% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 82 MB | 13 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Universitaet Bayreuth](https://appshunter.io/developer/926230632) | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) |

## What reviewers say

### sketchometry

[App page](https://appshunter.io/ios/app/sketchometry/id635195332)

This app transforms your finger drawings into precise geometric shapes on your iPhone or iPad. It turns math into an experimental subject, encouraging learners to discover concepts through hands-on interaction rather than presenting pre-made solutions.

**Highlights:** Finger-to-geometry conversion, Dynamic mathematical exploration, Experimental learning approach, Interactive geometric drawing, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (2)**

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


## Frequently asked questions

### Is sketchometry free?

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

### Is Volume and Geometry free?

Volume and Geometry is free to download, with in-app purchases available.

### Which has better reviews, sketchometry or Volume and Geometry?

Volume and Geometry is rated higher. sketchometry averages 4.6 out of 5 from 5 ratings, while Volume and Geometry averages 4.6 from 178 ratings.

### Do sketchometry or Volume and Geometry have ads?

Neither sketchometry nor Volume and Geometry shows ads.

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

sketchometry ships an update every 10 days, and Volume and Geometry every 3 weeks. Most recently, sketchometry was updated on October 12, 2026 and Volume and Geometry on October 16, 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.*