# MEL VR Science Simulations vs atom.sim

The clearest difference is in-app purchases: atom.sim at none against MEL VR Science Simulations's 8. MEL VR Science Simulations's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MEL VR Science Simulations sells 8 one-off in-app purchases. atom.sim asks for nothing beyond the download.

MEL VR Science Simulations ships an update every 2 months, atom.sim every 6 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MEL VR Science Simulations | atom.sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (90 ratings)](https://appshunter.io/ios/app/mel-vr-science-simulations/id1369900784/reviews)** | — |
| Number of ratings | **90** | — |
| Positive reviews | 56.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 1.1 GB | 79 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEL Science Limited](https://appshunter.io/developer/988394505) | [Hans Kovi](https://appshunter.io/developer/1493527465) |

## What reviewers say

### MEL VR Science Simulations

[App page](https://appshunter.io/ios/app/mel-vr-science-simulations/id1369900784)

Explore chemistry and physics through immersive virtual reality simulations and interactive labs.  This app transforms learning complex scientific concepts into an engaging and entertaining experience, perfect for students and educators.

**Highlights:** Virtual reality science simulations, Interactive labs and lessons, Chemistry and physics curriculum alignment, Molecular and atomic level exploration, Interactive periodic table, Over 70 VR lessons, labs, and simulations

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atoms lessons pack | $9.99 | one-time |
| Periodic Table lessons pack | $9.99 | one-time |
| Molecules lessons pack | $9.99 | one-time |
| Gas Laws lessons pack | $9.99 | one-time |
| Isomerism lessons pack | $9.99 | one-time |
| Electrostatics lessons pack | $9.99 | one-time |
| Temperature lessons pack | $9.99 | one-time |
| Substances lessons pack | $9.99 | one-time |


### atom.sim

[App page](https://appshunter.io/ios/app/atomsim/id1493527466)

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

**In-app purchases:** none


## Frequently asked questions

### Is MEL VR Science Simulations free?

MEL VR Science Simulations is free to download, with in-app purchases available.

### Is atom.sim free?

atom.sim is free to download, with no in-app purchases.

### Do MEL VR Science Simulations or atom.sim have ads?

Neither MEL VR Science Simulations nor atom.sim shows ads.

### Which is updated more often, MEL VR Science Simulations or atom.sim?

MEL VR Science Simulations ships an update every 2 months, and atom.sim every 6 weeks. Most recently, MEL VR Science Simulations was updated on October 22, 2026 and atom.sim 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.*