# MoleculeSketch iP vs CloudLabs pH

The clearest difference is in-app purchases: CloudLabs pH at none against MoleculeSketch iP's 1. CloudLabs pH also leads on device support (3 vs 1) and iOS requirement (9.0 vs 13). MoleculeSketch iP's advantage is update cadence (every 2 months vs every 29 months). On price and ads there is nothing between them.

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

MoleculeSketch iP ships an update every 2 months, CloudLabs pH every 29 months. The most recent releases landed on June 1, 2026 and December 6, 2025 respectively.

## The numbers

| Metric | MoleculeSketch iP | CloudLabs pH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/moleculesketch-ip/id1281284737/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 29 months |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 87 MB |
| Requires iOS | 13 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Dolder](https://appshunter.io/developer/942173209) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### 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 |


### CloudLabs pH

[App page](https://appshunter.io/ios/app/cloudlabs-ph/id1596370908)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MoleculeSketch iP free?

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

### Is CloudLabs pH free?

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

### Do MoleculeSketch iP or CloudLabs pH have ads?

Neither MoleculeSketch iP nor CloudLabs pH shows ads.

### Which is updated more often, MoleculeSketch iP or CloudLabs pH?

MoleculeSketch iP ships an update every 2 months, and CloudLabs pH every 29 months. Most recently, MoleculeSketch iP was updated on June 1, 2026 and CloudLabs pH on December 6, 2025.

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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.*