# Molecular Model Simulator vs Palettra

The clearest difference is ads: Palettra at none against Molecular Model Simulator's shown. Palettra also leads on update cadence (every 4 days vs every 10 days). Molecular Model Simulator's advantage is iOS requirement (11.0 vs 18.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Molecular Model Simulator sells 1 one-off in-app purchase and Palettra sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Molecular Model Simulator ships an update every 10 days, Palettra every 4 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Molecular Model Simulator | Palettra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/palettra/id6782158329/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 84 MB | 21 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [博 彭](https://appshunter.io/developer/1293268076) | [新焰 陈](https://appshunter.io/developer/1882014839) |

## What reviewers say

### Molecular Model Simulator

[App page](https://appshunter.io/ios/app/molecular-model-simulator/id6459994670)

Visualize and interact with complex 3D molecular structures. Explore atomic arrangements, chemical bonds, and create custom compounds. Ideal for students, educators, and chemistry enthusiasts.

**Highlights:** Dynamic 3D molecular modeling, Interactive exploration (zoom, rotate, pan), Realistic atomic bonding visualization, Custom compound creation, Intuitive user interface, Educational and engaging content

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UpgradeToPro | $0.99 | one-time |


### Palettra

[App page](https://appshunter.io/ios/app/palettra/id6782158329)

This tool helps researchers, students, and designers recolor scientific figures and images. It offers professional and adaptive color palettes, allowing you to remap chart colors and export high-quality images for various professional uses.

**Highlights:** Professional color palettes, Adaptive palette generation, Image and PDF import, Chart color remapping, High-quality image export (PNG, JPEG, TIFF, PDF), Cross-platform access

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Palettra Pro Monthly | $1.99 | per month |
| Palettra Pro Yearly | $9.99 | per year |
| Palettra Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Molecular Model Simulator free?

Molecular Model Simulator is free to download, with in-app purchases available.

### Is Palettra free?

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

### Do Molecular Model Simulator or Palettra have ads?

Molecular Model Simulator shows ads; Palettra does not.

### Which is updated more often, Molecular Model Simulator or Palettra?

Molecular Model Simulator ships an update every 10 days, and Palettra every 4 days. Most recently, Molecular Model Simulator was updated on October 8, 2026 and Palettra on October 9, 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.*