# Pro Chemical Bonding vs Functional Groups

The clearest difference is review sentiment: Functional Groups at 100% against Pro Chemical Bonding's 0%. Functional Groups also leads on ads (none vs shown) and update cadence (every 4 months vs every 32 months). Pro Chemical Bonding's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

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

Pro Chemical Bonding ships an update every 32 months, Functional Groups every 4 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Pro Chemical Bonding | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 32 months | **Every 4 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 11 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [gangadhar goud](https://appshunter.io/developer/898647800) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### Pro Chemical Bonding

[App page](https://appshunter.io/ios/app/pro-chemical-bonding/id1505101742)

Master the fundamental concept of chemical bonding with this educational tool. It offers learning modules and a simple exam to reinforce understanding and support academic achievement.

**Highlights:** Learn chemical bonding concepts, Take simple exams, Supports academic success, Educational content

**Features:** macOS Compatibility, Vision Pro support

**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 Pro Chemical Bonding free?

Pro Chemical Bonding is free to download, with no in-app purchases.

### Is Functional Groups free?

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

### Do Pro Chemical Bonding or Functional Groups have ads?

Pro Chemical Bonding shows ads; Functional Groups does not.

### Which is updated more often, Pro Chemical Bonding or Functional Groups?

Pro Chemical Bonding ships an update every 32 months, and Functional Groups every 4 months. Most recently, Pro Chemical Bonding was updated on October 10, 2026 and Functional Groups on October 11, 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.*