# Functional Groups vs Chemistutor

The clearest difference is rating: Functional Groups at 4.9 against Chemistutor's 4.0. Functional Groups also leads on review sentiment (100% vs 76%) and update cadence (every 4 months vs every 12 months). Chemistutor's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

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

Functional Groups holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 21 and 27 respectively. Written reviews point the same way: 100% of Functional Groups's written reviews are positive against 76% of Chemistutor's.

Functional Groups ships an update every 4 months, Chemistutor every 12 months. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Functional Groups | Chemistutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** | [4.0 (27 ratings)](https://appshunter.io/ios/app/chemistutor/id6670772147/reviews) |
| Number of ratings | 21 | **27** |
| Positive reviews | **100.0% of reviews** | 76.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 25 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Clarity Applications](https://appshunter.io/developer/1646120472) | [Jonathan Davis Miller](https://appshunter.io/developer/1767512630) |

## 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 |


### Chemistutor

[App page](https://appshunter.io/ios/app/chemistutor/id6670772147)

Master AP Chemistry with this comprehensive study tool. It offers readings, diagrams, and example problems aligned with the AP curriculum. Learn anytime, anywhere, without distractions, to achieve success in a challenging course.

**Highlights:** AP Chemistry curriculum coverage, 100+ concise lessons, Readings, diagrams, and example problems, No ads or in-app purchases, Learn anytime, anywhere, iPhone and iPad compatible

**In-app purchases:** none


## Frequently asked questions

### Is Functional Groups free?

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

### Is Chemistutor free?

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

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

Functional Groups is rated higher. Functional Groups averages 4.9 out of 5 from 21 ratings, while Chemistutor averages 4.0 from 27 ratings.

### Do Functional Groups or Chemistutor have ads?

Neither Functional Groups nor Chemistutor shows ads.

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

Functional Groups ships an update every 4 months, and Chemistutor every 12 months. Most recently, Functional Groups was updated on October 11, 2026 and Chemistutor on October 13, 2026.

---

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