# Elementium vs U.S. Army STARS Elements

The clearest difference is in-app purchases: U.S. Army STARS Elements at none against Elementium's 9. U.S. Army STARS Elements also leads on review sentiment (100% vs 75%) and iOS requirement (11.0 vs 16.1). Elementium's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (576 vs 18). On price, rating, 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. U.S. Army STARS Elements asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Elementium against 4.7 for U.S. Army STARS Elements. That said, the two scores are not equally well evidenced: Elementium has 576 ratings behind it against 18, so its average is the more settled of the two. Written reviews are what separate them: 75% of Elementium's written reviews are positive against 100% of U.S. Army STARS Elements's.

Elementium ships an update every 3 weeks, U.S. Army STARS Elements every 8 months. The most recent releases landed on September 19, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Elementium | U.S. Army STARS Elements |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (576 ratings)](https://appshunter.io/ios/app/elementium/id892123825/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/us-army-stars-elements/id1103901837/reviews)** |
| Number of ratings | **576** | 18 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Freemium | **Free** |
| Size | 752 MB | 213 MB |
| Requires iOS | 16.1 | **11.0** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Samuel Spencer](https://appshunter.io/developer/1128165856) | [Army Game Studio](https://appshunter.io/developer/540858534) |

## 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


### U.S. Army STARS Elements

[App page](https://appshunter.io/ios/app/us-army-stars-elements/id1103901837)

Explore the world of chemistry with interactive tools to build atoms, learn chemical bonds, and discover elements. Test your knowledge with engaging challenges designed for students, teachers, and enthusiasts.

**Highlights:** Atom Builder, SmashBond game, Interactive Periodic Table, STARS Challenge quiz, 3D atom construction, Bohr's model visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Elementium free?

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

### Is U.S. Army STARS Elements free?

U.S. Army STARS Elements is free to download, with no in-app purchases.

### Which has better reviews, Elementium or U.S. Army STARS Elements?

U.S. Army STARS Elements is rated higher. Elementium averages 4.6 out of 5 from 576 ratings, while U.S. Army STARS Elements averages 4.7 from 18 ratings.

### Do Elementium or U.S. Army STARS Elements have ads?

Neither Elementium nor U.S. Army STARS Elements shows ads.

### Which is updated more often, Elementium or U.S. Army STARS Elements?

Elementium ships an update every 3 weeks, and U.S. Army STARS Elements every 8 months. Most recently, Elementium was updated on September 19, 2026 and U.S. Army STARS Elements on August 25, 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.*