# Unit Circle Practice vs Dogl Precalculus

The clearest difference is rating: Unit Circle Practice at 5.0 against Dogl Precalculus's 4.7. On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Unit Circle Practice sells 1 one-off in-app purchase and Dogl Precalculus sells 2 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 4.7. Both are backed by a comparable volume of ratings — 20 and 17 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Unit Circle Practice | Dogl Precalculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/unit-circle-practice/id1506653412/reviews)** | [4.7 (17 ratings)](https://appshunter.io/ios/app/dogl-precalculus/id6670212064/reviews) |
| Number of ratings | **20** | 17 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 36 MB |
| Requires iOS | 16.0 | **15.6** |
| 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 Precalculus

[App page](https://appshunter.io/ios/app/dogl-precalculus/id6670212064)

Master Precalculus with this app designed by university professors. It offers bite-sized problem-solving, personalized learning paths, and visual hints to guide you. Start with 100 free problems and unlock more weekly, with optional upgrades for unlimited access.

**Highlights:** Bite-sized problem-solving, Personalized learning paths, Visual hints for guidance, 100 free starter problems, Weekly free problem unlocks, Ad-free experience, AP Precalculus curriculum compatible

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan - 4 months | $0.99 | one-time |
| Unlimited Plan - 1 year | $1.99 | one-time |


## Frequently asked questions

### Is Unit Circle Practice free?

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

### Is Dogl Precalculus free?

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

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

Unit Circle Practice is rated higher. Unit Circle Practice averages 5.0 out of 5 from 20 ratings, while Dogl Precalculus averages 4.7 from 17 ratings.

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

Neither Unit Circle Practice nor Dogl Precalculus shows ads.

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

Unit Circle Practice ships an update every 6 months, and Dogl Precalculus every 6 months. Most recently, Unit Circle Practice was updated on September 18, 2026 and Dogl Precalculus on September 12, 2026.

---

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