# Unit Circle Practice vs Trig Function(Math Drills)

The clearest difference is in-app purchases: Trig Function(Math Drills) at none against Unit Circle Practice's 1. Trig Function(Math Drills) also leads on update cadence (every 4 days vs every 6 months) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Unit Circle Practice sells 1 one-off in-app purchase. Trig Function(Math Drills) asks for nothing beyond the download.

Unit Circle Practice ships an update every 6 months, Trig Function(Math Drills) every 4 days. The most recent releases landed on September 18, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Unit Circle Practice | Trig Function(Math Drills) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/unit-circle-practice/id1506653412/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 28 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Russell Thorman](https://appshunter.io/developer/1093341902) | [郷 田村](https://appshunter.io/developer/1574588679) |

## What reviewers say

### 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 |


### Trig Function(Math Drills)

[App page](https://appshunter.io/ios/app/trig-functionmath-drills/id1670535500)

Practice trigonometric functions offline with automated question generation and correctness judgment. Review tips and answers, and compete in Challenge Mode to improve your rank. Ideal for students needing to master trigonometry.

**Highlights:** Offline learning, Automated question generation, Correctness judgment, Tips and answers, Challenge Mode, Rank improvement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Circle Practice free?

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

### Is Trig Function(Math Drills) free?

Trig Function(Math Drills) is free to download, with no in-app purchases.

### Do Unit Circle Practice or Trig Function(Math Drills) have ads?

Neither Unit Circle Practice nor Trig Function(Math Drills) shows ads.

### Which is updated more often, Unit Circle Practice or Trig Function(Math Drills)?

Unit Circle Practice ships an update every 6 months, and Trig Function(Math Drills) every 4 days. Most recently, Unit Circle Practice was updated on September 18, 2026 and Trig Function(Math Drills) on August 4, 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.*