# Engineering Mathematics Pro vs Trig Solver

The clearest difference is price: Trig Solver at Free against Engineering Mathematics Pro's $0.49. Engineering Mathematics Pro's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 16.4). On ads and device support there is nothing between them.

Trig Solver is free to download; Engineering Mathematics Pro costs $0.49 up front. Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Engineering Mathematics Pro asks for nothing beyond the download.

## The numbers

| Metric | Engineering Mathematics Pro | Trig Solver |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 23 MB | 54 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Manish Kumar](https://appshunter.io/developer/1854995154) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Engineering Mathematics Pro

[App page](https://appshunter.io/ios/app/engineering-mathematics-pro/id6759188492)

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

**In-app purchases:** none


### Trig Solver

[App page](https://appshunter.io/ios/app/trig-solver-trigonify/id6792816870)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trigonify Pro Weekly | $4.99 | per 7 days |
| Trigonify Pro Yearly | $34.99 | per year |
| Trigonify Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Engineering Mathematics Pro free?

Engineering Mathematics Pro costs $0.49, with no in-app purchases.

### Is Trig Solver free?

Trig Solver is free to download, with in-app purchases available.

### Do Engineering Mathematics Pro or Trig Solver have ads?

Neither Engineering Mathematics Pro nor Trig Solver shows ads.

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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.*