# 工程几何计算器 vs Trigonometry Calculator.

The clearest difference is rating: Trigonometry Calculator. at 5.0 against 工程几何计算器's 4.4. Trigonometry Calculator. also leads on review sentiment (100% vs 83%). 工程几何计算器's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 工程几何计算器 sells 1 one-off in-app purchase and Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Trigonometry Calculator. holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 83% of 工程几何计算器's written reviews are positive against 100% of Trigonometry Calculator.'s.

## The numbers

| Metric | 工程几何计算器 | Trigonometry Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/id1054766479/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 82.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 64 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [境 饶](https://appshunter.io/developer/935275144) | [Horitech](https://appshunter.io/developer/1794537335) |

## What reviewers say

### 工程几何计算器

[App page](https://appshunter.io/ios/app/id1054766479)

This utility app calculates geometric areas for polygons and solves for missing sides and angles in triangles. It also includes unit conversion between millimeters, centimeters, meters, and kilometers, with a dedicated numeric keypad for efficient input.

**Highlights:** Polygon area calculation, Triangle side and angle solver, Unit conversion (mm, cm, m, km), Dedicated numeric keypad, Simple and practical interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 去除广告 | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is 工程几何计算器 free?

工程几何计算器 is free to download, with in-app purchases available.

### Is Trigonometry Calculator. free?

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

### Which has better reviews, 工程几何计算器 or Trigonometry Calculator.?

Trigonometry Calculator. is rated higher. 工程几何计算器 averages 4.4 out of 5 from 9 ratings, while Trigonometry Calculator. averages 5.0 from 3 ratings.

### Do 工程几何计算器 or Trigonometry Calculator. have ads?

Trigonometry Calculator. shows ads; 工程几何计算器 does not.

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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.*