# Molecules vs TradeSmart Zone

The clearest difference is rating: TradeSmart Zone at 4.4 against Molecules's 3.6. TradeSmart Zone also leads on update cadence (every 5 days vs every 2 months). Molecules's advantage is review sentiment (65% vs 25%) and in-app purchases (none vs 5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. TradeSmart Zone sells 4 in-app purchases, starting at $9.99 per 7 days. Molecules asks for nothing beyond the download.

TradeSmart Zone holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 166 and 143 respectively. Written reviews complicate that: 65% of Molecules's written reviews are positive against 25% of TradeSmart Zone's, so the app with the better star average is not the one people write more warmly about.

Molecules ships an update every 2 months, TradeSmart Zone every 5 days. The most recent releases landed on August 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Molecules | TradeSmart Zone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (166 ratings)](https://appshunter.io/ios/app/molecules/id284943090/reviews) | **[4.4 (143 ratings)](https://appshunter.io/ios/app/tradesmart-zone/id6773555617/reviews)** |
| Number of ratings | **166** | 143 |
| Positive reviews | **65.5% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 67 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sunset Lake Software](https://appshunter.io/developer/284943093) | [Chinstart Limited](https://appshunter.io/developer/6790313312) |

## 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


### TradeSmart Zone

[App page](https://appshunter.io/ios/app/tradesmart-zone/id6773555617)

Learn about financial markets and practice trading with virtual funds. This app uses AI to explain concepts and offers tools to track stocks and understand trends. It's designed for users to build market knowledge through education and simulated practice.

**Highlights:** AI Financial Assistant, Paper Trading with virtual funds, Stock Watchlists, Market Learning Tools, Simulated Practice

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $9.99 | per 7 days |
| Unlock All Features | $24.99 | per month |
| Unlock All Features | $39.99 | per year |
| Ai Analyzer Pro | $19.99 | one-time |


## Frequently asked questions

### Is Molecules free?

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

### Is TradeSmart Zone free?

TradeSmart Zone is free to download, with in-app purchases available.

### Which has better reviews, Molecules or TradeSmart Zone?

TradeSmart Zone is rated higher. Molecules averages 3.6 out of 5 from 166 ratings, while TradeSmart Zone averages 4.4 from 143 ratings.

### Do Molecules or TradeSmart Zone have ads?

Neither Molecules nor TradeSmart Zone shows ads.

### Which is updated more often, Molecules or TradeSmart Zone?

Molecules ships an update every 2 months, and TradeSmart Zone every 5 days. Most recently, Molecules was updated on August 5, 2026 and TradeSmart Zone on September 23, 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.*