# Chirality vs PAT

The clearest difference is review sentiment: Chirality at 80% against PAT's 28%. Chirality also leads on rating (4.6 vs 3.7) and in-app purchases (none vs 3). PAT's advantage is update cadence (monthly vs every 41 months) and ratings volume (64 vs 14). On price, ads and device support there is nothing between them.

Both are free to download. PAT sells 3 in-app purchases, starting at $9.99 per month. Chirality asks for nothing beyond the download.

Chirality holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 14 and 64 respectively. Written reviews point the same way: 80% of Chirality's written reviews are positive against 28% of PAT's.

Chirality ships an update every 41 months, PAT monthly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Chirality | PAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/chirality-2/id1251289926/reviews)** | [3.7 (64 ratings)](https://appshunter.io/ios/app/pat-dat-score-booster/id1497045418/reviews) |
| Number of ratings | 14 | **64** |
| Positive reviews | **80.0% of reviews** | 27.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 41 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 224 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michelle Spencer](https://appshunter.io/developer/1168523801) | [DAT Prep LLC](https://appshunter.io/developer/1497045417) |

## What reviewers say

### Chirality

[App page](https://appshunter.io/ios/app/chirality-2/id1251289926)

This educational game makes learning organic chemistry engaging through interactive puzzles and quizzes. It covers fundamental concepts like functional groups, isomers, and molecule naming using intuitive touch controls. Track your progress, earn medals, and compete with friends.

**Highlights:** Interactive puzzles, Learn organic chemistry concepts, Drag and drop interface, Progress tracking, Medal system, Timed modes, Fun facts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PAT

[App page](https://appshunter.io/ios/app/pat-dat-score-booster/id1497045418)

Prepare for the DAT's Perceptual Ability Test with a comprehensive practice tool. Access unlimited practice questions, video tutorials for specific question types, and full-length practice tests to boost your score. This app aims to help students achieve a 23+ on the PAT section.

**Highlights:** Unlimited practice questions, Video tutorials for PAT question types, Full-length practice tests, Score guarantee, Practice for Keyholes, Top-Front-End, Angle Ranking, Hole Punching, Cube Counting, and Pattern Folding

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PAT Lite | $9.99 | per month |
| PAT Standard | $49.99 | per 6 months |
| PAT Ultimate | $79.99 | per year |


## Frequently asked questions

### Is Chirality free?

Chirality is free to download, with no in-app purchases.

### Is PAT free?

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

### Which has better reviews, Chirality or PAT?

Chirality is rated higher. Chirality averages 4.6 out of 5 from 14 ratings, while PAT averages 3.7 from 64 ratings.

### Do Chirality or PAT have ads?

Neither Chirality nor PAT shows ads.

### Which is updated more often, Chirality or PAT?

Chirality ships an update every 41 months, and PAT monthly. Most recently, Chirality was updated on October 24, 2026 and PAT on October 23, 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.*