# Speed Trigonometry vs Trig Solver

The clearest difference is in-app purchases: Speed Trigonometry at none against Trig Solver's 3. Trig Solver's advantage is iOS requirement (16.4 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Speed Trigonometry asks for nothing beyond the download.

## The numbers

| Metric | Speed Trigonometry | Trig Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/speed-trigonometry/id6747187585/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | — |
| Monetization | Free | — |
| Size | 2 MB | 54 MB |
| Requires iOS | 18.5 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nick Petroni](https://appshunter.io/developer/1597208168) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Speed Trigonometry

[App page](https://appshunter.io/ios/app/speed-trigonometry/id6747187585)

This app helps students quickly memorize the unit circle. It quizzes users on sine, cosine, tangent, and inverse trigonometric values for key angles. Developed by students for students, it's ideal for precalculus learners.

**Highlights:** Unit circle memorization, Quizzes on trig values, Focus on key angles, Sine, cosine, tangent, inverse values, Student-developed

**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 Speed Trigonometry free?

Speed Trigonometry is free to download, with no in-app purchases.

### Is Trig Solver free?

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

### Do Speed Trigonometry or Trig Solver have ads?

Neither Speed Trigonometry nor Trig Solver shows ads.

---

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