# Volume and Geometry vs Unit Circle Calculator

The clearest difference is review sentiment: Unit Circle Calculator at 83% against Volume and Geometry's 20%. Volume and Geometry's advantage is rating (4.6 vs 3.4) and ratings volume (178 vs 8). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Volume and Geometry sells 2 one-off in-app purchases and Unit Circle Calculator sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Volume and Geometry holds the better App Store score, 4.6 against 3.4. That said, the two scores are not equally well evidenced: Volume and Geometry has 178 ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 20% of Volume and Geometry's written reviews are positive against 83% of Unit Circle Calculator's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on August 6, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Volume and Geometry | Unit Circle Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (178 ratings)](https://appshunter.io/ios/app/volume-and-geometry/id1280996873/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/unit-circle-calculator/id1606376248/reviews) |
| Number of ratings | **178** | 8 |
| Positive reviews | 20.0% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 182 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) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## 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 (2)**

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


### Unit Circle Calculator

[App page](https://appshunter.io/ios/app/unit-circle-calculator/id1606376248)

Visualize and understand the unit circle with step-by-step calculations, diagrams, and animations. Supports various input formats and saves your work in a history for easy access and sharing.

**Highlights:** Unit circle visualization, Step-by-step calculation explanations, Diagrams and animations, Supports negative, decimal, fraction, and π inputs, Calculation history, Shareable solutions

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is Volume and Geometry free?

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

### Is Unit Circle Calculator free?

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

### Which has better reviews, Volume and Geometry or Unit Circle Calculator?

Volume and Geometry is rated higher. Volume and Geometry averages 4.6 out of 5 from 178 ratings, while Unit Circle Calculator averages 3.4 from 8 ratings.

### Do Volume and Geometry or Unit Circle Calculator have ads?

Neither Volume and Geometry nor Unit Circle Calculator shows ads.

### Which is updated more often, Volume and Geometry or Unit Circle Calculator?

Volume and Geometry ships an update every 3 weeks, and Unit Circle Calculator every 3 weeks. Most recently, Volume and Geometry was updated on August 6, 2026 and Unit Circle Calculator on August 26, 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.*