# Trigonometry Formulas vs Unit Circle Practice

The clearest difference is price: Unit Circle Practice at Free against Trigonometry Formulas's $0.99. Unit Circle Practice also leads on ratings volume (20 vs 2). Trigonometry Formulas's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 16.0). On rating, review sentiment, update cadence and ads there is nothing between them.

Unit Circle Practice is free to download; Trigonometry Formulas costs $0.99 up front. Unit Circle Practice sells 1 one-off in-app purchase. Trigonometry Formulas asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Trigonometry Formulas against 5.0 for Unit Circle Practice. That said, the two scores are not equally well evidenced: Unit Circle Practice has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Trigonometry Formulas ships an update every 10 months, Unit Circle Practice every 6 months. The most recent releases landed on August 19, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Trigonometry Formulas | Unit Circle Practice |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-formulas/id1477059658/reviews) | [5.0 (20 ratings)](https://appshunter.io/ios/app/unit-circle-practice/id1506653412/reviews) |
| Number of ratings | 2 | **20** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 27 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ranjeet Kumar](https://appshunter.io/developer/1476822683) | [Russell Thorman](https://appshunter.io/developer/1093341902) |

## What reviewers say

### Trigonometry Formulas

[App page](https://appshunter.io/ios/app/trigonometry-formulas/id1477059658)

Access a comprehensive collection of trigonometry formulas, including ratios, functions, standard angle values, and identities. This app covers basic to advanced topics like inverse circular functions and properties of triangles, serving as a handy reference for students and enthusiasts.

**Highlights:** Trigonometric Ratios and Functions, Basic Trigonometric Formulas, Standard Angle Values, Quadrant Rules of Signs, Addition and Subtraction Formulas, Inverse Circular Functions, Properties of Triangles

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

**In-app purchases:** none


### Unit Circle Practice

[App page](https://appshunter.io/ios/app/unit-circle-practice/id1506653412)

Master the unit circle with focused training on angles, radians, coordinates, and exact trig values. Interactive exercises and quizzes build speed and accuracy for pre-calculus and trigonometry students. Unlock advanced tools for deeper understanding and test preparation.

**Highlights:** Interactive drag-and-drop training, Unit circle and exact value quizzes, Clean unit circle guide with summaries, Inverse trig and angle conversion practice, Quadrant sign identification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Trigonometry Formulas free?

Trigonometry Formulas costs $0.99, with no in-app purchases.

### Is Unit Circle Practice free?

Unit Circle Practice is free to download, with in-app purchases available.

### Which has better reviews, Trigonometry Formulas or Unit Circle Practice?

Trigonometry Formulas and Unit Circle Practice are both rated 5.0 out of 5 on the App Store, from 2 and 20 ratings respectively.

### Do Trigonometry Formulas or Unit Circle Practice have ads?

Neither Trigonometry Formulas nor Unit Circle Practice shows ads.

### Which is updated more often, Trigonometry Formulas or Unit Circle Practice?

Trigonometry Formulas ships an update every 10 months, and Unit Circle Practice every 6 months. Most recently, Trigonometry Formulas was updated on August 19, 2026 and Unit Circle Practice on September 18, 2026.

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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.*