# Molecule Motion vs MoonDust

The clearest difference is price: Molecule Motion at Free against MoonDust's $2.99. Molecule Motion also leads on update cadence (weekly vs every 12 months) and review sentiment (100% vs 80%). MoonDust's advantage is rating (5.0 vs 4.3) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

Molecule Motion is free to download; MoonDust costs $2.99 up front. Molecule Motion sells 1 one-off in-app purchase. MoonDust asks for nothing beyond the download.

MoonDust holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews complicate that: 100% of Molecule Motion's written reviews are positive against 80% of MoonDust's, so the app with the better star average is not the one people write more warmly about.

Molecule Motion ships an update weekly, MoonDust every 12 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Molecule Motion | MoonDust |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/molecule-motion/id1245516577/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/moondust-cosmic-journey/id6749879318/reviews)** |
| Number of ratings | 3 | **5** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 12 months |
| Monetization | **Free** | Paid |
| Size | 50 MB | 307 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [重赞 韩](https://appshunter.io/developer/1131982671) | [Two* States* Away*](https://appshunter.io/developer/379800400) |

## What reviewers say

### Molecule Motion

[App page](https://appshunter.io/ios/app/molecule-motion/id1245516577)

A simple game designed to test your sensitivity and observation skills. It's easy to pick up but challenging to master, offering a way to pass the time. This game is free to download and play, with no advertisements or in-app purchases.

**Highlights:** Tests sensitivity and observation, Easy to start, hard to master, Helps kill boring time, No advertising, No in-app purchases

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 388 yellow atoms | $0.99 | one-time |


### MoonDust

[App page](https://appshunter.io/ios/app/moondust-cosmic-journey/id6749879318)

Embark on an epic voyage through distant galaxies, exploring new planets and uncovering ancient secrets. Traverse breathtaking sci-fi environments, collect resources, and solve puzzles in a transformative journey filled with emotion and excitement.

**Highlights:** Galactic exploration, Planet discovery, Resource collection, Puzzle solving, Sci-fi environments, Uncover secrets

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

**In-app purchases:** none


## Frequently asked questions

### Is Molecule Motion free?

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

### Is MoonDust free?

MoonDust costs $2.99, with no in-app purchases.

### Which has better reviews, Molecule Motion or MoonDust?

MoonDust is rated higher. Molecule Motion averages 4.3 out of 5 from 3 ratings, while MoonDust averages 5.0 from 5 ratings.

### Do Molecule Motion or MoonDust have ads?

Neither Molecule Motion nor MoonDust shows ads.

### Which is updated more often, Molecule Motion or MoonDust?

Molecule Motion ships an update weekly, and MoonDust every 12 months. Most recently, Molecule Motion was updated on October 29, 2026 and MoonDust on October 24, 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.*