# ModelAR vs Functional Groups

The clearest difference is rating: Functional Groups at 4.9 against ModelAR's 3.5. Functional Groups also leads on review sentiment (100% vs 70%). ModelAR's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Functional Groups sells 1 one-off in-app purchase. ModelAR asks for nothing beyond the download.

Functional Groups holds the better App Store score, 4.9 against 3.5. Both are backed by a comparable volume of ratings — 11 and 21 respectively. Written reviews point the same way: 70% of ModelAR's written reviews are positive against 100% of Functional Groups's.

ModelAR ships an update every 6 months, Functional Groups every 4 months. The most recent releases landed on June 1, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ModelAR | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (11 ratings)](https://appshunter.io/ios/app/modelar-organic-chemistry/id1438760201/reviews) | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | 11 | **21** |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 118 MB | 17 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alchemie Solutions, Inc](https://appshunter.io/developer/916843852) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### ModelAR

[App page](https://appshunter.io/ios/app/modelar-organic-chemistry/id1438760201)

Explore and build 3D chemical structures in real space with augmented reality. This tool transforms complex organic chemistry concepts into an interactive and playful learning experience, offering an immersive alternative to traditional study methods.

**Highlights:** Create and explore 3D organic molecules, Augmented reality interaction, Intuitive drag-and-drop building, Stereochemistry visualization, Variety of molecule experimentation, Simple and clean design

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 ModelAR free?

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

### Is Functional Groups free?

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

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

Functional Groups is rated higher. ModelAR averages 3.5 out of 5 from 11 ratings, while Functional Groups averages 4.9 from 21 ratings.

### Do ModelAR or Functional Groups have ads?

Neither ModelAR nor Functional Groups shows ads.

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

ModelAR ships an update every 6 months, and Functional Groups every 4 months. Most recently, ModelAR was updated on June 1, 2026 and Functional Groups on September 13, 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.*