# Unit Circle Practice vs IB Chemistry

The clearest difference is price: Unit Circle Practice at Free against IB Chemistry's $6.99. Unit Circle Practice also leads on review sentiment (100% vs 60%) and rating (5.0 vs 4.5). IB Chemistry's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs every 6 months). On ratings volume and ads there is nothing between them.

Unit Circle Practice is free to download; IB Chemistry costs $6.99 up front. Unit Circle Practice sells 1 one-off in-app purchase. IB Chemistry asks for nothing beyond the download.

Unit Circle Practice holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 20 and 8 respectively. Written reviews point the same way: 100% of Unit Circle Practice's written reviews are positive against 60% of IB Chemistry's.

Unit Circle Practice ships an update every 6 months, IB Chemistry every 3 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Unit Circle Practice | IB Chemistry |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[5.0 (20 ratings)](https://appshunter.io/ios/app/unit-circle-practice/id1506653412/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/ib-chemistry/id1516899353/reviews) |
| Number of ratings | **20** | 8 |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 6 MB | 189 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Russell Thorman](https://appshunter.io/developer/1093341902) | [wissam yehya](https://appshunter.io/developer/490622529) |

## 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 |


### IB Chemistry

[App page](https://appshunter.io/ios/app/ib-chemistry/id1516899353)

This app offers a comprehensive chemistry resource for IB students, featuring over 360 pages of summarized content. Each page focuses on a single objective with examiner tips and difficulty indicators, alongside full definitions to help achieve a top score.

**Highlights:** 360+ pages of summarized content, Objective-focused pages with examiner tips, Difficulty level indicators, Full IB Chemistry definitions, Covers Core and AHL topics, 20+ years of teaching experience

**Features:** Vision Pro support

**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 IB Chemistry free?

IB Chemistry costs $6.99, with no in-app purchases.

### Which has better reviews, Unit Circle Practice or IB Chemistry?

Unit Circle Practice is rated higher. Unit Circle Practice averages 5.0 out of 5 from 20 ratings, while IB Chemistry averages 4.5 from 8 ratings.

### Do Unit Circle Practice or IB Chemistry have ads?

Neither Unit Circle Practice nor IB Chemistry shows ads.

### Which is updated more often, Unit Circle Practice or IB Chemistry?

Unit Circle Practice ships an update every 6 months, and IB Chemistry every 3 days. Most recently, Unit Circle Practice was updated on October 6, 2026 and IB Chemistry on October 2, 2026.

---

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