# Elementium vs Molecular Constructor

The clearest difference is rating: Elementium at 4.6 against Molecular Constructor's 3.9. Elementium also leads on update cadence (every 3 weeks vs every 12 months) and ratings volume (576 vs 52). Molecular Constructor's advantage is in-app purchases (none vs 9) and iOS requirement (12.0 vs 16.1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Elementium sells 9 in-app purchases, starting at $1.99 per month. Molecular Constructor asks for nothing beyond the download.

Elementium holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Elementium has 576 ratings behind it against 52, so its average is the more settled of the two. Written reviews split almost evenly too, at 75% and 75% positive.

Elementium ships an update every 3 weeks, Molecular Constructor every 12 months. The most recent releases landed on September 19, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Elementium | Molecular Constructor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (576 ratings)](https://appshunter.io/ios/app/elementium/id892123825/reviews)** | [3.9 (52 ratings)](https://appshunter.io/ios/app/molecular-constructor/id1299401504/reviews) |
| Number of ratings | **576** | 52 |
| Positive reviews | 75.0% of reviews | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Freemium | **Free** |
| Size | 752 MB | 10 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Spencer](https://appshunter.io/developer/1128165856) | [Alexander Teplukhin](https://appshunter.io/developer/1299401503) |

## What reviewers say

### Elementium

[App page](https://appshunter.io/ios/app/elementium/id892123825)

Access comprehensive information on every element of the periodic table. Explore detailed data, visualize trends, and utilize a built-in solubility calculator. Perfect for students and professionals needing quick, accurate chemical data.

**Highlights:** Detailed element information, Interactive periodic table, Dynamic filtering and trend visualization, Solubility calculator, Element image library, Bohr model visualizations, Home screen widgets

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ION, 1 month | $1.99 | per month |
| ION, 3 Months | $3.99 | per 3 months |
| ION, 6 months | $5.99 | per 6 months |
| ION, 1 year | $9.99 | per year |
| Export Data | $0.99 | one-time |
| Bohr Models | $1.99 | one-time |
| Advanced Sorting | $2.99 | one-time |
| Visual Elements | $3.99 | one-time |
| Advanced Tools | $4.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive interface
- 📚 Comprehensive element information and data
- 🎨 Beautiful, clean, and visually appealing design
- 🔗 Helpful Wikipedia and external resource links
- 📖 Excellent for educational purposes and studying

**What reviewers complain about**

- 💰 Expensive subscription model for premium features
- 🔐 Paywall blocking key features and element images
- 📺 Intrusive ads and purchase prompts on startup
- 🎨 Poor color contrast on metalloid background text
- 📱 Crashes on older devices (iPhone 6G iPod Touch, iPhone XS Max)

**Reported bugs**

- App crashes on startup and when tapping elements
- Crashes on older iOS devices and iPod Touch
- Molar mass not visible in iPhone landscape orientation
- Intrusive purchase prompt that's difficult to dismiss
- Rating request spam appearing too early in user experience

**Requested features**

- Element images and visual representations
- One-time purchase option instead of subscription
- Zoom out to view entire periodic table at once
- Better display of molar mass on iPhone in landscape mode
- More detailed information and content


### Molecular Constructor

[App page](https://appshunter.io/ios/app/molecular-constructor/id1299401504)

Create and optimize 3D molecular models. This free software allows users to design molecules and refine their geometry simultaneously. A more advanced desktop version is also available.

**Highlights:** Build molecules in 3D, Design molecular structures, Optimize geometry, Free software, Desktop version available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Elementium free?

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

### Is Molecular Constructor free?

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

### Which has better reviews, Elementium or Molecular Constructor?

Elementium is rated higher. Elementium averages 4.6 out of 5 from 576 ratings, while Molecular Constructor averages 3.9 from 52 ratings.

### Do Elementium or Molecular Constructor have ads?

Neither Elementium nor Molecular Constructor shows ads.

### Which is updated more often, Elementium or Molecular Constructor?

Elementium ships an update every 3 weeks, and Molecular Constructor every 12 months. Most recently, Elementium was updated on September 19, 2026 and Molecular Constructor on August 29, 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.*