# Trigonometry calc vs Volume Calculator 3D

The clearest difference is review sentiment: Volume Calculator 3D at 50% against Trigonometry calc's 0%. Volume Calculator 3D also leads on rating (4.8 vs 3.0) and in-app purchases (none vs 1). Trigonometry calc's advantage is iOS requirement (15.6 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Trigonometry calc sells 1 one-off in-app purchase. Volume Calculator 3D asks for nothing beyond the download.

Volume Calculator 3D holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Volume Calculator 3D has 42 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Trigonometry calc's written reviews are positive against 50% of Volume Calculator 3D's.

Trigonometry calc ships an update every 3 months, Volume Calculator 3D every 5 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Trigonometry calc | Volume Calculator 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-calc/id1306864057/reviews) | **[4.8 (42 ratings)](https://appshunter.io/ios/app/volume-calculator-3d/id6444395497/reviews)** |
| Number of ratings | 2 | **42** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 10 MB | 57 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Trigonometry calc

[App page](https://appshunter.io/ios/app/trigonometry-calc/id1306864057)

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

**Highlights:** Calculate side lengths, Calculate angles, Pythagorean Theorem, Trigonometry functions, Learn simple trigonometry, General triangle calculator (premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Volume Calculator 3D

[App page](https://appshunter.io/ios/app/volume-calculator-3d/id6444395497)

Easily calculate the volume of numerous 3D geometric shapes with this straightforward tool. View formulas, share results, and choose from multiple units and languages.

**Highlights:** Calculate volume for 10+ geometric shapes, View calculation formulas, Supports multiple units (m, cm, mm, in, yd, ft), Multi-language support, Share results easily, Simple and efficient interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry calc free?

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

### Is Volume Calculator 3D free?

Volume Calculator 3D is free to download, with no in-app purchases.

### Which has better reviews, Trigonometry calc or Volume Calculator 3D?

Volume Calculator 3D is rated higher. Trigonometry calc averages 3.0 out of 5 from 2 ratings, while Volume Calculator 3D averages 4.8 from 42 ratings.

### Do Trigonometry calc or Volume Calculator 3D have ads?

Both Trigonometry calc and Volume Calculator 3D show ads.

### Which is updated more often, Trigonometry calc or Volume Calculator 3D?

Trigonometry calc ships an update every 3 months, and Volume Calculator 3D every 5 months. Most recently, Trigonometry calc was updated on October 24, 2026 and Volume Calculator 3D on October 23, 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.*