# MoleculeSketch iP vs Edundy

The clearest difference is in-app purchases: Edundy at none against MoleculeSketch iP's 1. Edundy also leads on update cadence (every 9 days vs every 2 months) and device support (3 vs 1). MoleculeSketch iP's advantage is iOS requirement (13 vs 15.0). On price and ads there is nothing between them.

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

MoleculeSketch iP ships an update every 2 months, Edundy every 9 days. The most recent releases landed on November 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MoleculeSketch iP | Edundy |
| --- | --- | --- |
| 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 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 4 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Dolder](https://appshunter.io/developer/942173209) | [Edundy](https://appshunter.io/developer/1848645231) |

## 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 |


### Edundy

[App page](https://appshunter.io/ios/app/edundy/id6754523860)

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

**In-app purchases:** none


## Frequently asked questions

### Is MoleculeSketch iP free?

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

### Is Edundy free?

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

### Do MoleculeSketch iP or Edundy have ads?

Neither MoleculeSketch iP nor Edundy shows ads.

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

MoleculeSketch iP ships an update every 2 months, and Edundy every 9 days. Most recently, MoleculeSketch iP was updated on November 3, 2026 and Edundy on October 10, 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.*