# Unit Circle Practice vs Dogl Calculus

The clearest difference is review sentiment: Unit Circle Practice at 100% against Dogl Calculus's 75%. Unit Circle Practice also leads on rating (5.0 vs 4.8). Dogl Calculus's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (147 vs 20). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Unit Circle Practice sells 1 one-off in-app purchase and Dogl Calculus sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Unit Circle Practice holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Dogl Calculus has 147 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 100% of Unit Circle Practice's written reviews are positive against 75% of Dogl Calculus's.

Unit Circle Practice ships an update every 6 months, Dogl Calculus every 2 months. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Unit Circle Practice | Dogl Calculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/unit-circle-practice/id1506653412/reviews)** | [4.8 (147 ratings)](https://appshunter.io/ios/app/dogl-calculus/id1554140181/reviews) |
| Number of ratings | 20 | **147** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 39 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Russell Thorman](https://appshunter.io/developer/1093341902) | [Dogl](https://appshunter.io/developer/1554140183) |

## 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 |


### Dogl Calculus

[App page](https://appshunter.io/ios/app/dogl-calculus/id1554140181)

Master calculus with this mobile app designed by university professors. It offers bite-sized problem-solving, personalized learning paths, and hints to guide you through challenging concepts. Start with free practice problems and unlock more weekly.

**Highlights:** Bite-sized problem-solving, Personalized learning paths, Weekly free problems, Teacher's Eye™ hints, Ad-free experience, Expert-designed content

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan - 1 month | $4.99 | one-time |
| Unlimited Plan - 4 months | $14.99 | one-time |
| Unlimited Plan - 1 year | $24.99 | one-time |


## Frequently asked questions

### Is Unit Circle Practice free?

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

### Is Dogl Calculus free?

Dogl Calculus is free to download, with in-app purchases available.

### Which has better reviews, Unit Circle Practice or Dogl Calculus?

Unit Circle Practice is rated higher. Unit Circle Practice averages 5.0 out of 5 from 20 ratings, while Dogl Calculus averages 4.8 from 147 ratings.

### Do Unit Circle Practice or Dogl Calculus have ads?

Neither Unit Circle Practice nor Dogl Calculus shows ads.

### Which is updated more often, Unit Circle Practice or Dogl Calculus?

Unit Circle Practice ships an update every 6 months, and Dogl Calculus every 2 months. Most recently, Unit Circle Practice was updated on September 18, 2026 and Dogl Calculus on September 29, 2026.

---

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