# Unit Circle Practice vs Factor Blaster

The clearest difference is price: Unit Circle Practice at Free against Factor Blaster's $0.99. Factor Blaster's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

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

Unit Circle Practice ships an update every 6 months, Factor Blaster daily. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Unit Circle Practice | Factor Blaster |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Russell Thorman](https://appshunter.io/developer/1093341902) | [PHILLIP KRZANKOWSKI](https://appshunter.io/developer/1896343318) |

## 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 |


### Factor Blaster

[App page](https://appshunter.io/ios/app/factor-blaster/id6766982384)

**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 Factor Blaster free?

Factor Blaster costs $0.99, with no in-app purchases.

### Do Unit Circle Practice or Factor Blaster have ads?

Neither Unit Circle Practice nor Factor Blaster shows ads.

### Which is updated more often, Unit Circle Practice or Factor Blaster?

Unit Circle Practice ships an update every 6 months, and Factor Blaster daily. Most recently, Unit Circle Practice was updated on September 18, 2026 and Factor Blaster on September 29, 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.*