# Organic Reaction Cards vs Functional Groups

Organic Reaction Cards and Functional Groups both sit at 4.8 stars, but that hides the real split: 100% of Functional Groups's written reviews are positive against 75% of Organic Reaction Cards's. Functional Groups also leads on update cadence (every 4 months vs every 9 months). Organic Reaction Cards's advantage is iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Organic Reaction Cards sells 2 one-off in-app purchases and Functional Groups sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Organic Reaction Cards against 4.9 for Functional Groups. Both are backed by a comparable volume of ratings — 32 and 23 respectively. Written reviews are what separate them: 75% of Organic Reaction Cards's written reviews are positive against 100% of Functional Groups's.

Organic Reaction Cards ships an update every 9 months, Functional Groups every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Organic Reaction Cards | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (32 ratings)](https://appshunter.io/ios/app/organic-reaction-cards/id498790229/reviews) | **[4.9 (23 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | **32** | 23 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 17 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aaron M. Hartel](https://appshunter.io/developer/408475765) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### Organic Reaction Cards

[App page](https://appshunter.io/ios/app/organic-reaction-cards/id498790229)

Master organic chemistry reactions with customizable flashcards. Learn reactants, reagents, products, and named reactions by hiding and revealing components. Tailor decks to your specific course needs.

**Highlights:** Customizable flashcards, Hide/reveal reaction components, Learn named reactions, Delete unwanted reactions, Notes on stereoselectivity and limitations, Over 40 reactions included

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reaction Set for Orgo I | $1.99 | one-time |
| Reaction Set for Orgo II | $1.99 | one-time |


### 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 Organic Reaction Cards free?

Organic Reaction Cards 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, Organic Reaction Cards or Functional Groups?

Functional Groups is rated higher. Organic Reaction Cards averages 4.8 out of 5 from 32 ratings, while Functional Groups averages 4.9 from 23 ratings.

### Do Organic Reaction Cards or Functional Groups have ads?

Neither Organic Reaction Cards nor Functional Groups shows ads.

### Which is updated more often, Organic Reaction Cards or Functional Groups?

Organic Reaction Cards ships an update every 9 months, and Functional Groups every 4 months. Most recently, Organic Reaction Cards was updated on October 23, 2026 and Functional Groups on October 24, 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.*