# Functional Groups vs Biomolecules

The clearest difference is rating: Functional Groups at 4.9 against Biomolecules's 4.0. Functional Groups also leads on ads (none vs shown) and ratings volume (21 vs 1). Biomolecules's advantage is in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 4 months). On price, review sentiment, device support and iOS requirement there is nothing between them.

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

Functional Groups holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Functional Groups has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Functional Groups ships an update every 4 months, Biomolecules every 2 weeks. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Functional Groups | Biomolecules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/biomoleculesfunctional-groups/id6446133302/reviews) |
| Number of ratings | **21** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 158 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Clarity Applications](https://appshunter.io/developer/1646120472) | [Carolina Biological Supply](https://appshunter.io/developer/413708533) |

## What reviewers say

### 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 |


### Biomolecules

[App page](https://appshunter.io/ios/app/biomoleculesfunctional-groups/id6446133302)

Explore the properties and functions of biomolecules with this educational app. It covers basic chemistry topics essential for understanding biological molecules and their processes. This is part of a series designed for anyone interested in general, organic, and biological chemistry.

**Highlights:** Learn basic chemistry topics, Explore biomolecule properties, Understand biomolecule functions, Study general chemistry, Study organic chemistry, Study biological chemistry

**In-app purchases:** none


## Frequently asked questions

### Is Functional Groups free?

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

### Is Biomolecules free?

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

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

Functional Groups is rated higher. Functional Groups averages 4.9 out of 5 from 21 ratings, while Biomolecules averages 4.0 from 1 ratings.

### Do Functional Groups or Biomolecules have ads?

Biomolecules shows ads; Functional Groups does not.

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

Functional Groups ships an update every 4 months, and Biomolecules every 2 weeks. Most recently, Functional Groups was updated on October 1, 2026 and Biomolecules on September 17, 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.*