# iMolview Lite vs BioViewer

The clearest difference is review sentiment: iMolview Lite at 100% against BioViewer's 33%. iMolview Lite also leads on rating (4.0 vs 1.0) and ratings volume (5 vs 1). BioViewer's advantage is update cadence (every 9 days vs every 9 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

iMolview Lite holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: iMolview Lite has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of iMolview Lite's written reviews are positive against 33% of BioViewer's.

iMolview Lite ships an update every 9 months, BioViewer every 9 days. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | iMolview Lite | BioViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/imolview-lite/id543731121/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bioviewer/id1593006498/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 54 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Molsoft](https://appshunter.io/developer/431002309) | [Raul Monton Pinillos](https://appshunter.io/developer/1576884003) |

## What reviewers say

### iMolview Lite

[App page](https://appshunter.io/ios/app/imolview-lite/id543731121)

Explore 3D models of biological molecules like proteins and DNA from public databases. Visualize and customize molecular structures with various representations and coloring schemes. Analyze interactions and view your own structure files.

**Highlights:** 3D protein and DNA structure viewing, Drug molecule visualization, Customizable molecular representations, Individual atom/residue selection and coloring, Interaction analysis, Import custom structure files

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

**In-app purchases:** none


### BioViewer

[App page](https://appshunter.io/ios/app/bioviewer/id1593006498)

Visualize 3D molecular structures from .pdb files on iOS, iPadOS, and macOS. Features smooth rendering, drag-and-drop support, and publication-quality photo exports for detailed analysis.

**Highlights:** 3D molecular structure visualization, Supports .pdb and .xyz files, Drag and drop functionality, Photo Mode with high-quality exports, Multi-model PDB support, Optimized for ProMotion displays

**In-app purchases:** none


## Frequently asked questions

### Is iMolview Lite free?

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

### Is BioViewer free?

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

### Which has better reviews, iMolview Lite or BioViewer?

iMolview Lite is rated higher. iMolview Lite averages 4.0 out of 5 from 5 ratings, while BioViewer averages 1.0 from 1 ratings.

### Do iMolview Lite or BioViewer have ads?

Neither iMolview Lite nor BioViewer shows ads.

### Which is updated more often, iMolview Lite or BioViewer?

iMolview Lite ships an update every 9 months, and BioViewer every 9 days. Most recently, iMolview Lite was updated on September 22, 2026 and BioViewer on September 10, 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.*