# Elementium vs Molecules that changed the World

The clearest difference is rating: Elementium at 4.6 against Molecules that changed the World's 3.3. Elementium also leads on review sentiment (75% vs 50%) and ratings volume (576 vs 4). Molecules that changed the World's advantage is in-app purchases (none vs 9) and iOS requirement (8.0 vs 16.1). On price, update cadence, 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. Molecules that changed the World asks for nothing beyond the download.

Elementium holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Elementium has 576 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 75% of Elementium's written reviews are positive against 50% of Molecules that changed the World's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Elementium | Molecules that changed the World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (576 ratings)](https://appshunter.io/ios/app/elementium/id892123825/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/molecules-that-changed-the-world/id1102745607/reviews) |
| Number of ratings | **576** | 4 |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | **Free** |
| Size | 752 MB | 79 MB |
| Requires iOS | 16.1 | **8.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Spencer](https://appshunter.io/developer/1128165856) | [ZKM \| Zentrum fuer Kunst und Medientechnologie Karlsruhe](https://appshunter.io/developer/418549105) |

## 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


### Molecules that changed the World

[App page](https://appshunter.io/ios/app/molecules-that-changed-the-world/id1102745607)

Explore the scientific facts and captivating stories behind molecules that have shaped our world. Discover how basic compounds like water and complex synthetics like aspirin influenced culture, civilization, and life itself.

**Highlights:** Scientific facts about influential molecules, Stories of cultural and civilizational impact, Covers basic and synthetic compounds, Explains chemical background, Details historical and cultural influence

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Elementium free?

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

### Is Molecules that changed the World free?

Molecules that changed the World is free to download, with no in-app purchases.

### Which has better reviews, Elementium or Molecules that changed the World?

Elementium is rated higher. Elementium averages 4.6 out of 5 from 576 ratings, while Molecules that changed the World averages 3.3 from 4 ratings.

### Do Elementium or Molecules that changed the World have ads?

Neither Elementium nor Molecules that changed the World shows ads.

### Which is updated more often, Elementium or Molecules that changed the World?

Elementium ships an update every 3 weeks, and Molecules that changed the World every 3 weeks. Most recently, Elementium was updated on October 12, 2026 and Molecules that changed the World 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.*