# iMolview vs Perse Visualizer

The clearest difference is price: Perse Visualizer at Free against iMolview's $0.99. Perse Visualizer also leads on rating (5.0 vs 3.6). iMolview's advantage is ads (none vs shown) and review sentiment (78% vs 50%). On ratings volume, update cadence, in-app purchases and device support there is nothing between them.

Perse Visualizer is free to download; iMolview costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Perse Visualizer holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 13 and 7 respectively. Written reviews complicate that: 78% of iMolview's written reviews are positive against 50% of Perse Visualizer's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 27, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | iMolview | Perse Visualizer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.6 (13 ratings)](https://appshunter.io/ios/app/imolview/id431002306/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/perse-visualizer/id1476999836/reviews)** |
| Number of ratings | **13** | 7 |
| Positive reviews | **78.1% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 55 MB | 24 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Molsoft](https://appshunter.io/developer/431002309) | [Dylan Riffle](https://appshunter.io/developer/1142744409) |

## What reviewers say

### iMolview

[App page](https://appshunter.io/ios/app/imolview/id431002306)

Explore biological molecules in 3D. View proteins, DNA, and drug structures from major databases. Customize representations, select specific elements, and analyze molecular interactions. Sync your own files and save scenes for later.

**Highlights:** 3D molecular visualization, Browse PDB, DrugBank, Pubchem, Customizable representations, Individual element coloring, Neighbor analysis, Electron density map contouring, Scene saving and management

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iMolview free?

iMolview costs $0.99, with no in-app purchases.

### Is Perse Visualizer free?

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

### Which has better reviews, iMolview or Perse Visualizer?

Perse Visualizer is rated higher. iMolview averages 3.6 out of 5 from 13 ratings, while Perse Visualizer averages 5.0 from 7 ratings.

### Do iMolview or Perse Visualizer have ads?

Perse Visualizer shows ads; iMolview does not.

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

iMolview ships an update every 2 months, and Perse Visualizer every 2 months. Most recently, iMolview was updated on September 27, 2026 and Perse Visualizer on September 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.*