# Sci vs Molecule Simulator

The clearest difference is update cadence: Sci at every 5 weeks against Molecule Simulator's every 4 months. Sci also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sci ships an update every 5 weeks, Molecule Simulator every 4 months. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Sci | Molecule Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (24 ratings)](https://appshunter.io/ios/app/molecule-simulator/id1538249996/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 88 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [仕清 刘](https://appshunter.io/developer/1531464103) |

## What reviewers say

### Sci

[App page](https://appshunter.io/ios/app/sci-lab/id1197726221)

**In-app purchases:** none


### Molecule Simulator

[App page](https://appshunter.io/ios/app/molecule-simulator/id1538249996)

Visualize the 3D structures of molecules using data from PubChem and Protein Data Bank. Explore molecules in various viewing modes and download an extensive library of compounds.

**Highlights:** 3D molecular visualization, Space filling mode, Ball-and-stick mode, Data from PubChem, Data from Protein Data Bank, Downloadable molecule library

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sci free?

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

### Is Molecule Simulator free?

Molecule Simulator is free to download, with no in-app purchases.

### Do Sci or Molecule Simulator have ads?

Neither Sci nor Molecule Simulator shows ads.

### Which is updated more often, Sci or Molecule Simulator?

Sci ships an update every 5 weeks, and Molecule Simulator every 4 months. Most recently, Sci was updated on September 13, 2026 and Molecule Simulator on September 21, 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.*