# Triangle Solver vs Volume and Geometry

The clearest difference is review sentiment: Triangle Solver at 75% against Volume and Geometry's 20%. Triangle Solver also leads on in-app purchases (none vs 2) and iOS requirement (9.0 vs 12.0). Volume and Geometry's advantage is update cadence (every 3 weeks vs every 21 months) and rating (4.6 vs 4.2). On price, ads and device support there is nothing between them.

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

Volume and Geometry holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Volume and Geometry has 178 ratings behind it against 31, so its average is the more settled of the two. Written reviews complicate that: 75% of Triangle Solver's written reviews are positive against 20% of Volume and Geometry's, so the app with the better star average is not the one people write more warmly about.

Triangle Solver ships an update every 21 months, Volume and Geometry every 3 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Triangle Solver | Volume and Geometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (31 ratings)](https://appshunter.io/ios/app/triangle-solver/id383052814/reviews) | **[4.6 (178 ratings)](https://appshunter.io/ios/app/volume-and-geometry/id1280996873/reviews)** |
| Number of ratings | 31 | **178** |
| Positive reviews | **75.0% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 97 MB | 13 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William Jockusch](https://appshunter.io/developer/342126227) | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) |

## What reviewers say

### Triangle Solver

[App page](https://appshunter.io/ios/app/triangle-solver/id383052814)

Calculate unknown sides and angles of a triangle with ease. Supports various input combinations, including two angles and one side, two sides and one angle, or three sides.

**Highlights:** Calculate unknown sides, Calculate unknown angles, Two angles and one side input, Two sides and one angle input, Three sides input

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 📐 Accurate calculations
- ✨ Ad-free experience
- 📐 Dynamic triangle diagram
- 🚀 Quick results

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Stopped working on iOS
- 🐛 Input fields not clear
- 🐛 Ads can be intrusive
- 🐛 Difficult to use with irrational numbers

**Reported bugs**

- Stopped working on iPhone and iPad
- App crashes
- Won't open on older devices
- Doesn't allow value entry
- Input fields not clear

**Requested features**

- Add switch to radians feature
- Allow input of irrational numbers
- Show steps for solving problems
- Triangle shape changes to match values for accurate scale
- Option to use app sideways for larger keyboard


### 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 Triangle Solver free?

Triangle Solver 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, Triangle Solver or Volume and Geometry?

Volume and Geometry is rated higher. Triangle Solver averages 4.2 out of 5 from 31 ratings, while Volume and Geometry averages 4.6 from 178 ratings.

### Do Triangle Solver or Volume and Geometry have ads?

Neither Triangle Solver nor Volume and Geometry shows ads.

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

Triangle Solver ships an update every 21 months, and Volume and Geometry every 3 weeks. Most recently, Triangle Solver was updated on October 3, 2026 and Volume and Geometry on October 7, 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.*