# MEL VR Science Simulations vs Learn Rexx Programming Offline

The clearest difference is price: MEL VR Science Simulations at Free against Learn Rexx Programming Offline's $1.99. MEL VR Science Simulations also leads on update cadence (every 2 months vs every 21 months). Learn Rexx Programming Offline's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

MEL VR Science Simulations is free to download; Learn Rexx Programming Offline costs $1.99 up front. MEL VR Science Simulations sells 8 one-off in-app purchases. Learn Rexx Programming Offline asks for nothing beyond the download.

MEL VR Science Simulations ships an update every 2 months, Learn Rexx Programming Offline every 21 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MEL VR Science Simulations | Learn Rexx Programming Offline |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 21 months |
| Monetization | Free with in-app purchases | — |
| Size | 1.1 GB | 38 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MEL Science Limited](https://appshunter.io/developer/988394505) | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) |

## 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 |


### Learn Rexx Programming Offline

[App page](https://appshunter.io/ios/app/learn-rexx-programming-offline/id6738279239)

**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 Learn Rexx Programming Offline free?

Learn Rexx Programming Offline costs $1.99, with no in-app purchases.

### Do MEL VR Science Simulations or Learn Rexx Programming Offline have ads?

Neither MEL VR Science Simulations nor Learn Rexx Programming Offline shows ads.

### Which is updated more often, MEL VR Science Simulations or Learn Rexx Programming Offline?

MEL VR Science Simulations ships an update every 2 months, and Learn Rexx Programming Offline every 21 months. Most recently, MEL VR Science Simulations was updated on October 14, 2026 and Learn Rexx Programming Offline on October 8, 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.*