# iMolview vs iSmartESA

The clearest difference is price: iMolview at $0.99 against iSmartESA's $3.99. iMolview also leads on iOS requirement (12.0 vs 14.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

iMolview costs $0.99 and iSmartESA $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iMolview ships an update every 2 months, iSmartESA every 3 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iMolview | iSmartESA |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | **[3.6 (13 ratings)](https://appshunter.io/ios/app/imolview/id431002306/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 55 MB | 3 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Molsoft](https://appshunter.io/developer/431002309) | [Hiroshi Nakano](https://appshunter.io/developer/1529446216) |

## 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


### iSmartESA

[App page](https://appshunter.io/ios/app/ismartesa/id1579688964)

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

**In-app purchases:** none


## Frequently asked questions

### Is iMolview free?

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

### Is iSmartESA free?

iSmartESA costs $3.99, with no in-app purchases.

### Do iMolview or iSmartESA have ads?

Neither iMolview nor iSmartESA shows ads.

### Which is updated more often, iMolview or iSmartESA?

iMolview ships an update every 2 months, and iSmartESA every 3 months. Most recently, iMolview was updated on October 22, 2026 and iSmartESA on October 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.*