# Nuclear vs U.S. Army STARS Elements

The clearest difference is rating: U.S. Army STARS Elements at 4.7 against Nuclear's 4.2. U.S. Army STARS Elements also leads on in-app purchases (none vs 3) and review sentiment (100% vs 69%). Nuclear's advantage is update cadence (every 3 months vs every 8 months) and ratings volume (302 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Nuclear sells 3 one-off in-app purchases. U.S. Army STARS Elements asks for nothing beyond the download.

U.S. Army STARS Elements holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Nuclear has 302 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 69% of Nuclear's written reviews are positive against 100% of U.S. Army STARS Elements's.

Nuclear ships an update every 3 months, U.S. Army STARS Elements every 8 months. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Nuclear | U.S. Army STARS Elements |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (302 ratings)](https://appshunter.io/ios/app/nuclear/id509546625/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/us-army-stars-elements/id1103901837/reviews)** |
| Number of ratings | **302** | 18 |
| Positive reviews | 69.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 55 MB | 213 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ESCAPE VELOCITY LIMITED](https://appshunter.io/developer/331526972) | [Army Game Studio](https://appshunter.io/developer/540858534) |

## What reviewers say

### Nuclear

[App page](https://appshunter.io/ios/app/nuclear/id509546625)

Explore the quantum world and learn about chemical elements by building atoms. This app visually models interactive atoms, allowing you to add or subtract subatomic particles to construct stable elements and unlock them on the periodic table.

**Highlights:** Interactive 3D atom visualization, Build chemical elements by adding/subtracting particles, Unlock elements on the periodic table, Explore atomic decay of isotopes, Learn about matter at the atomic scale

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Build All Elements | $2.99 | one-time |
| Discover Your Table | $2.99 | one-time |
| Discover All | $4.99 | one-time |

**What reviewers like**

- 🚀 Awesome visuals
- 🔍 Great learning tool
- 👍 Fun and interactive
- 💡 Helpful for understanding atoms

**What reviewers complain about**

- 🐛 Bugs and glitches
- 💰 Paywall for full access
- 🔒 Locked features
- 🤔 Inaccurate decay/reaction modeling

**Reported bugs**

- Can't exit element discovery screen
- Proton cap prevents reaching higher elements
- Certain elements cannot be created
- Crashes when trying to add particles to Ununoctium

**Requested features**

- Expand decay modes (alpha, beta, etc.)
- Add ability to create molecules
- Improve stability/decay simulation
- Add more explanations and tutorials


### 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 Nuclear free?

Nuclear 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, Nuclear or U.S. Army STARS Elements?

U.S. Army STARS Elements is rated higher. Nuclear averages 4.2 out of 5 from 302 ratings, while U.S. Army STARS Elements averages 4.7 from 18 ratings.

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

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

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

Nuclear ships an update every 3 months, and U.S. Army STARS Elements every 8 months. Most recently, Nuclear was updated on October 12, 2026 and U.S. Army STARS Elements on October 11, 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.*