# Elementium vs Molecules by Theodore Gray

The clearest difference is price: Elementium at Free against Molecules by Theodore Gray's $9.99. Elementium also leads on update cadence (every 3 weeks vs every 6 months) and ratings volume (576 vs 29). Molecules by Theodore Gray's advantage is in-app purchases (none vs 9) and iOS requirement (12.1 vs 16.1). On rating, review sentiment, ads and device support there is nothing between them.

Elementium is free to download; Molecules by Theodore Gray costs $9.99 up front. Elementium sells 9 in-app purchases, starting at $1.99 per month. Molecules by Theodore Gray asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Elementium against 4.6 for Molecules by Theodore Gray. That said, the two scores are not equally well evidenced: Elementium has 576 ratings behind it against 29, 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, Molecules by Theodore Gray every 6 months. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Elementium | Molecules by Theodore Gray |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.6 (576 ratings)](https://appshunter.io/ios/app/elementium/id892123825/reviews) | [4.6 (29 ratings)](https://appshunter.io/ios/app/molecules-by-theodore-gray/id923383841/reviews) |
| Number of ratings | **576** | 29 |
| Positive reviews | **75.0% of reviews** | 74.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | **Freemium** | Paid |
| Size | 752 MB | 745 MB |
| Requires iOS | 16.1 | **12.1** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Samuel Spencer](https://appshunter.io/developer/1128165856) | [NatureGuides Ltd.](https://appshunter.io/developer/310574314) |

## 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 by Theodore Gray

[App page](https://appshunter.io/ios/app/molecules-by-theodore-gray/id923383841)

Explore the molecular world with interactive simulations and detailed information. Discover how elements form compounds and witness the dynamic dance of quantum mechanics through touch. This app offers a fun and educational way to understand the nature of substances.

**Highlights:** Touch-interactive molecular dynamics simulation, Bend, squeeze, and shape molecules, Adjust temperature to observe reactions, Full text of the 'Molecules' book, Interactive object rotations, Dozens of 'still life videos'

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Elementium free?

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

### Is Molecules by Theodore Gray free?

Molecules by Theodore Gray costs $9.99, with no in-app purchases.

### Which has better reviews, Elementium or Molecules by Theodore Gray?

Elementium and Molecules by Theodore Gray are both rated 4.6 out of 5 on the App Store, from 576 and 29 ratings respectively.

### Do Elementium or Molecules by Theodore Gray have ads?

Neither Elementium nor Molecules by Theodore Gray shows ads.

### Which is updated more often, Elementium or Molecules by Theodore Gray?

Elementium ships an update every 3 weeks, and Molecules by Theodore Gray every 6 months. Most recently, Elementium was updated on October 16, 2026 and Molecules by Theodore Gray on October 13, 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.*