# Mars Walk VR vs MEL VR Science Simulations

The clearest difference is rating: MEL VR Science Simulations at 3.8 against Mars Walk VR's 2.5. MEL VR Science Simulations also leads on review sentiment (56% vs 43%). Mars Walk VR's advantage is in-app purchases (none vs 8) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, 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. Mars Walk VR asks for nothing beyond the download.

MEL VR Science Simulations holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 31 and 90 respectively. Written reviews point the same way: 43% of Mars Walk VR's written reviews are positive against 56% of MEL VR Science Simulations's.

Mars Walk VR ships an update every 2 weeks, MEL VR Science Simulations every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Mars Walk VR | MEL VR Science Simulations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (31 ratings)](https://appshunter.io/ios/app/mars-walk-vr/id1193339172/reviews) | **[3.8 (90 ratings)](https://appshunter.io/ios/app/mel-vr-science-simulations/id1369900784/reviews)** |
| Number of ratings | 31 | **90** |
| Positive reviews | 43.5% of reviews | **56.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 736 MB | 1.1 GB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lockheed Martin](https://appshunter.io/developer/400687539) | [MEL Science Limited](https://appshunter.io/developer/988394505) |

## What reviewers say

### Mars Walk VR

[App page](https://appshunter.io/ios/app/mars-walk-vr/id1193339172)

Embark on an educational virtual reality tour of the red planet. Explore Martian landscapes, visit historic landing sites, and witness scientific instruments in action. This immersive experience brings the wonders of Mars directly to your smartphone.

**Highlights:** Explore Mars surface and landing sites, Experience Martian dust storms, Observe scientific instruments on Mars, Visit historic Viking landers, Follow Curiosity rover's sample collection

**In-app purchases:** none


### 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 |

**What reviewers like**

- ✨ Amazing graphics and fun
- 💡 Innovative VR learning experience
- 👍 Easy to understand and learn
- 🔬 Great for exploring molecules and atoms
- 🌍 Educational and engaging

**What reviewers complain about**

- 💸 Too expensive
- ❌ VR feature not working
- 😵 Blurry VR visuals
- 🤔 Difficult navigation
- 🚫 No sound playback

**Reported bugs**

- VR headset not working
- Screens not aligned in VR
- VR headset is trash
- Cannot interact in VR
- App is broken/malfunctioning

**Requested features**

- More free lessons/content
- Instructions on VR interaction
- Fix chemical formula errors (H2O4S)
- More labs/content
- Add Russian language support


## Frequently asked questions

### Is Mars Walk VR free?

Mars Walk VR is free to download, with no in-app purchases.

### Is MEL VR Science Simulations free?

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

### Which has better reviews, Mars Walk VR or MEL VR Science Simulations?

MEL VR Science Simulations is rated higher. Mars Walk VR averages 2.5 out of 5 from 31 ratings, while MEL VR Science Simulations averages 3.8 from 90 ratings.

### Do Mars Walk VR or MEL VR Science Simulations have ads?

Neither Mars Walk VR nor MEL VR Science Simulations shows ads.

### Which is updated more often, Mars Walk VR or MEL VR Science Simulations?

Mars Walk VR ships an update every 2 weeks, and MEL VR Science Simulations every 2 months. Most recently, Mars Walk VR was updated on November 2, 2026 and MEL VR Science Simulations on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*