# PAT vs Functional Groups

The clearest difference is review sentiment: Functional Groups at 100% against PAT's 28%. Functional Groups also leads on rating (4.9 vs 3.7). PAT's advantage is update cadence (monthly vs every 4 months) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. PAT sells 3 in-app purchases, starting at $9.99 per month and Functional Groups sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Functional Groups holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 62 and 21 respectively. Written reviews point the same way: 28% of PAT's written reviews are positive against 100% of Functional Groups's.

PAT ships an update monthly, Functional Groups every 4 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PAT | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (62 ratings)](https://appshunter.io/ios/app/pat-dat-score-booster/id1497045418/reviews) | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | **62** | 21 |
| Positive reviews | 27.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 36 MB | 17 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAT Prep LLC](https://appshunter.io/developer/1497045417) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### 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 |


### Functional Groups

[App page](https://appshunter.io/ios/app/functional-groups/id1670252638)

Master organic chemistry functional groups through an engaging and interactive learning experience. Ideal for students in introductory or advanced courses, MCAT prep, and A-Level chemistry, this app covers dozens of essential groups with practice modes and progress tracking.

**Highlights:** 25+ basic and advanced functional groups, 300+ organic compounds, Multiple practice modes, Customizable study groups, Personalized review, Reference table and definitions, Progress tracking with achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is PAT free?

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

### Is Functional Groups free?

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

### Which has better reviews, PAT or Functional Groups?

Functional Groups is rated higher. PAT averages 3.7 out of 5 from 62 ratings, while Functional Groups averages 4.9 from 21 ratings.

### Do PAT or Functional Groups have ads?

Neither PAT nor Functional Groups shows ads.

### Which is updated more often, PAT or Functional Groups?

PAT ships an update monthly, and Functional Groups every 4 months. Most recently, PAT was updated on October 15, 2026 and Functional Groups on October 11, 2026.

---

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