# Molecules vs Pro Chemical Bonding

The clearest difference is review sentiment: Molecules at 65% against Pro Chemical Bonding's 0%. Molecules also leads on ads (none vs shown) and update cadence (every 2 months vs every 32 months). Pro Chemical Bonding's advantage is iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Molecules ships an update every 2 months, Pro Chemical Bonding every 32 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Molecules | Pro Chemical Bonding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (168 ratings)](https://appshunter.io/ios/app/molecules/id284943090/reviews)** | — |
| Number of ratings | **168** | — |
| Positive reviews | **65.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 32 months |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 11 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sunset Lake Software](https://appshunter.io/developer/284943093) | [gangadhar goud](https://appshunter.io/developer/898647800) |

## What reviewers say

### Molecules

[App page](https://appshunter.io/ios/app/molecules/id284943090)

Explore and interact with 3D molecular models on your device. Rotate, zoom, and pan structures using intuitive touch gestures. Visualize molecules in different modes and load custom structures from various sources.

**Highlights:** 3D molecule rendering, Finger-based manipulation (rotate, zoom, pan), Ball-and-stick visualization, Spacefilling visualization, Load custom molecular structures, File sharing and iCloud import

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and responsive
- 👍 Useful for visualizing molecules
- 👍 Great for teaching chemistry
- 👍 Excellent for biochemistry students

**What reviewers complain about**

- 🐛 Crashes when downloading new molecules
- 🐛 Compatibility issues with newer iOS devices
- 🐛 Limited functionality, missing key features
- 🔍 Difficult to find common molecules
- 💡 Needs more view options (ribbon, surface, etc.)

**Reported bugs**

- Crashes when switching between views
- Molecules disappear after reopening the app
- Search function is unreliable and limited
- Compatibility issues with newer iOS versions

**Requested features**

- Add ability to build and edit molecules
- Implement a color key for atom types
- Include more basic molecules (H2O, CO2, etc.)
- Allow sorting/organizing downloaded molecules
- Integrate with databases like PubChem and RCSB


### 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


## Frequently asked questions

### Is Molecules free?

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

### Is Pro Chemical Bonding free?

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

### Do Molecules or Pro Chemical Bonding have ads?

Pro Chemical Bonding shows ads; Molecules does not.

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

Molecules ships an update every 2 months, and Pro Chemical Bonding every 32 months. Most recently, Molecules was updated on October 23, 2026 and Pro Chemical Bonding on October 10, 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.*