# Protein Viewer Pro vs MolViewApp

The clearest difference is update cadence: MolViewApp at every 2 days against Protein Viewer Pro's every 4 months. Protein Viewer Pro's advantage is 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.

Protein Viewer Pro ships an update every 4 months, MolViewApp every 2 days. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Protein Viewer Pro | MolViewApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/molviewapp/id6786979305/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 26 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heebok Lee](https://appshunter.io/developer/1855773499) | [Donghan Lee](https://appshunter.io/developer/1820113725) |

## What reviewers say

### Protein Viewer Pro

[App page](https://appshunter.io/ios/app/protein-viewer-pro/id6755710571)

**Features:** macOS Compatibility

**In-app purchases:** none


### MolViewApp

[App page](https://appshunter.io/ios/app/molviewapp/id6786979305)

Explore 3D molecular structures with interactive visualizations. Load PDB files locally or by ID and utilize various display modes and advanced features like electrostatic potential mapping and structural alignment. All processing is done on-device for privacy.

**Highlights:** Load PDB files locally or by ID, Multiple structure loading and visibility control, Surface electrostatic potential map, Structural alignment and superposition, Secondary structure coloring, Morphing between conformations

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

**In-app purchases:** none


## Frequently asked questions

### Is Protein Viewer Pro free?

Protein Viewer Pro is free to download, with no in-app purchases.

### Is MolViewApp free?

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

### Do Protein Viewer Pro or MolViewApp have ads?

Neither Protein Viewer Pro nor MolViewApp shows ads.

### Which is updated more often, Protein Viewer Pro or MolViewApp?

Protein Viewer Pro ships an update every 4 months, and MolViewApp every 2 days. Most recently, Protein Viewer Pro was updated on September 18, 2026 and MolViewApp on September 25, 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.*