# iMolview vs CloudLabs Ester Synthesis

The clearest difference is price: CloudLabs Ester Synthesis at Free against iMolview's $0.99. CloudLabs Ester Synthesis also leads on iOS requirement (9.0 vs 12.0). iMolview's advantage is update cadence (every 2 months vs every 30 months). On ads, in-app purchases and device support there is nothing between them.

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

iMolview ships an update every 2 months, CloudLabs Ester Synthesis every 30 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iMolview | CloudLabs Ester Synthesis |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.6 (13 ratings)](https://appshunter.io/ios/app/imolview/id431002306/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 30 months |
| Monetization | Free | — |
| Size | 55 MB | 94 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Molsoft](https://appshunter.io/developer/431002309) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## 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


### CloudLabs Ester Synthesis

[App page](https://appshunter.io/ios/app/cloudlabs-ester-synthesis/id1596523427)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iMolview free?

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

### Is CloudLabs Ester Synthesis free?

CloudLabs Ester Synthesis is free to download, with no in-app purchases.

### Do iMolview or CloudLabs Ester Synthesis have ads?

Neither iMolview nor CloudLabs Ester Synthesis shows ads.

### Which is updated more often, iMolview or CloudLabs Ester Synthesis?

iMolview ships an update every 2 months, and CloudLabs Ester Synthesis every 30 months. Most recently, iMolview was updated on October 6, 2026 and CloudLabs Ester Synthesis on October 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.*