# Perse Visualizer vs BioViewer

The clearest difference is rating: Perse Visualizer at 5.0 against BioViewer's 1.0. Perse Visualizer also leads on review sentiment (50% vs 33%) and ratings volume (7 vs 1). BioViewer's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, 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.

Perse Visualizer holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Perse Visualizer has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Perse Visualizer's written reviews are positive against 33% of BioViewer's.

Perse Visualizer ships an update every 2 months, BioViewer every 9 days. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Perse Visualizer | BioViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/perse-visualizer/id1476999836/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bioviewer/id1593006498/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Size | 24 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Dylan Riffle](https://appshunter.io/developer/1142744409) | [Raul Monton Pinillos](https://appshunter.io/developer/1576884003) |

## What reviewers say

### Perse Visualizer

[App page](https://appshunter.io/ios/app/perse-visualizer/id1476999836)

Visualize protein structures on your mobile device. Search the protein data bank by name or ID and display them in various styles like cartoon or ball and stick. Ideal for biology students and researchers.

**Highlights:** Protein visualization, Search by name or ID, Multiple display styles, Access to protein data bank, Educational tool

**Features:** macOS Compatibility

**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 Perse Visualizer free?

Perse Visualizer 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, Perse Visualizer or BioViewer?

Perse Visualizer is rated higher. Perse Visualizer averages 5.0 out of 5 from 7 ratings, while BioViewer averages 1.0 from 1 ratings.

### Do Perse Visualizer or BioViewer have ads?

Perse Visualizer shows ads; BioViewer does not.

### Which is updated more often, Perse Visualizer or BioViewer?

Perse Visualizer ships an update every 2 months, and BioViewer every 9 days. Most recently, Perse Visualizer was updated on September 9, 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.*