# Trigonometry Calculator. vs BoBo Calculate

The clearest difference is ads: BoBo Calculate at none against Trigonometry Calculator.'s shown. Trigonometry Calculator.'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month and BoBo Calculate sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Trigonometry Calculator. | BoBo Calculate |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Horitech](https://appshunter.io/developer/1794537335) | [瑞庆 王](https://appshunter.io/developer/1854269704) |

## 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 |


### BoBo Calculate

[App page](https://appshunter.io/ios/app/bobo-calculate/id6808910018)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BoBo VIP – Monthly Subscription | $0.99 | per month |


## Frequently asked questions

### Is Trigonometry Calculator. free?

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

### Is BoBo Calculate free?

BoBo Calculate is free to download, with in-app purchases available.

### Do Trigonometry Calculator. or BoBo Calculate have ads?

Trigonometry Calculator. shows ads; BoBo Calculate 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.*