# Functional Groups vs ACS Safety First

The clearest difference is in-app purchases: ACS Safety First at none against Functional Groups's 1. ACS Safety First also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Functional Groups | ACS Safety First |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 22 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Clarity Applications](https://appshunter.io/developer/1646120472) | [American Chemical Society](https://appshunter.io/developer/355382933) |

## 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 |


### ACS Safety First

[App page](https://appshunter.io/ios/app/acs-safety-first/id6469359948)

**In-app purchases:** none


## Frequently asked questions

### Is Functional Groups free?

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

### Is ACS Safety First free?

ACS Safety First is free to download, with no in-app purchases.

### Do Functional Groups or ACS Safety First have ads?

Neither Functional Groups nor ACS Safety First shows ads.

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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.*