# Trigonometry Calculator. vs 角度换算助手

The clearest difference is in-app purchases: 角度换算助手 at none against Trigonometry Calculator.'s 2. 角度换算助手 also leads on ads (none vs shown). Trigonometry Calculator.'s advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month. 角度换算助手 asks for nothing beyond the download.

## The numbers

| Metric | Trigonometry Calculator. | 角度换算助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Horitech](https://appshunter.io/developer/1794537335) | [叶叶 马](https://appshunter.io/developer/1500528907) |

## What reviewers say

### Trigonometry Calculator.

[App page](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618)

This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.

**Highlights:** Right-angled & scalene triangle support, Formula reference guide, Accurate side, angle, and area calculations, High precision to 14 decimal places, Flexible angle units (degrees/radians), User-friendly interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $24.99 | per year |


### 角度换算助手

[App page](https://appshunter.io/ios/app/id6793376905)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry Calculator. free?

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

### Is 角度换算助手 free?

角度换算助手 is free to download, with no in-app purchases.

### Do Trigonometry Calculator. or 角度换算助手 have ads?

Trigonometry Calculator. shows ads; 角度换算助手 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*