# 3D_NA vs MolViewApp

The clearest difference is update cadence: 3D_NA at daily against MolViewApp's every 2 days. 3D_NA also leads on iOS requirement (12.0 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.

3D_NA ships an update daily, MolViewApp every 2 days. The most recent releases landed on October 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 3D_NA | 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 | **Daily** | Every 2 days |
| Monetization | — | Free |
| Size | 135 MB | 29 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National University of Singapore](https://appshunter.io/developer/412284566) | [Donghan Lee](https://appshunter.io/developer/1820113725) |

## What reviewers say

### 3D_NA

[App page](https://appshunter.io/ios/app/3d-na/id1665508891)

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

**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 3D_NA free?

3D_NA is free to download, with no in-app purchases.

### Is MolViewApp free?

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

### Do 3D_NA or MolViewApp have ads?

Neither 3D_NA nor MolViewApp shows ads.

### Which is updated more often, 3D_NA or MolViewApp?

3D_NA ships an update daily, and MolViewApp every 2 days. Most recently, 3D_NA was updated on October 8, 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.*