# Molecule vs MoleculeSketch iP

The clearest difference is rating: MoleculeSketch iP at 4.5 against Molecule's 4.0. Molecule's advantage is in-app purchases (none vs 1) and review sentiment (76% vs 50%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. MoleculeSketch iP sells 1 one-off in-app purchase. Molecule asks for nothing beyond the download.

MoleculeSketch iP holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 10 and 4 respectively. Written reviews complicate that: 76% of Molecule's written reviews are positive against 50% of MoleculeSketch iP's, so the app with the better star average is not the one people write more warmly about.

Molecule ships an update every 4 months, MoleculeSketch iP every 2 months. The most recent releases landed on August 30, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Molecule | MoleculeSketch iP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (10 ratings)](https://appshunter.io/ios/app/molecule/id797331776/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/moleculesketch-ip/id1281284737/reviews)** |
| Number of ratings | **10** | 4 |
| Positive reviews | **76.2% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 59 MB |
| Requires iOS | **7.0** | 13 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Stefan Dolder](https://appshunter.io/developer/942173209) |

## What reviewers say

### Molecule

[App page](https://appshunter.io/ios/app/molecule/id797331776)

This app allows users to create and share chemical structures with ease. It calculates molecular formula, weight, and elemental composition in real-time as you draw. Ideal for students and researchers needing a simple tool for molecular visualization.

**Highlights:** Draw chemical structures, Share structures, Calculate MF, MW, Monoisotopic Mass, Calculate Elemental Composition, Interactive calculations, Modern interface

**Features:** macOS Compatibility

**In-app purchases:** none


### MoleculeSketch iP

[App page](https://appshunter.io/ios/app/moleculesketch-ip/id1281284737)

Easily draw chemical formulas and reactions with this intuitive application. It offers features like adding atoms, bonds, and functional groups, with advanced options available through an in-app purchase. Share your creations or import existing structures.

**Highlights:** Draw atoms and bonds, Select various bond types, Add functional groups, Show missing hydrogen atoms, Calculate molecular mass, Import mol/sdf files, Copy, paste, and cut drawings

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $1.99 | one-time |


## Frequently asked questions

### Is Molecule free?

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

### Is MoleculeSketch iP free?

MoleculeSketch iP is free to download, with in-app purchases available.

### Which has better reviews, Molecule or MoleculeSketch iP?

MoleculeSketch iP is rated higher. Molecule averages 4.0 out of 5 from 10 ratings, while MoleculeSketch iP averages 4.5 from 4 ratings.

### Do Molecule or MoleculeSketch iP have ads?

Neither Molecule nor MoleculeSketch iP shows ads.

### Which is updated more often, Molecule or MoleculeSketch iP?

Molecule ships an update every 4 months, and MoleculeSketch iP every 2 months. Most recently, Molecule was updated on August 30, 2026 and MoleculeSketch iP on June 1, 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.*