# LabNote Chem vs ChemForge 9

The clearest difference is in-app purchases: ChemForge 9 at none against LabNote Chem's 1. ChemForge 9 also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LabNote Chem sells 1 one-off in-app purchase. ChemForge 9 asks for nothing beyond the download.

LabNote Chem ships an update monthly, ChemForge 9 fortnightly. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | LabNote Chem | ChemForge 9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 118 MB | 31 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Kobayashi](https://appshunter.io/developer/1866585930) | [Phuong Ma Thi](https://appshunter.io/developer/1871886299) |

## What reviewers say

### LabNote Chem

[App page](https://appshunter.io/ios/app/labnote-chem/id6757393090)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LabNote Chem Pro | $11.99 | one-time |


### ChemForge 9

[App page](https://appshunter.io/ios/app/chemforge-9/id6758269568)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LabNote Chem free?

LabNote Chem is free to download, with in-app purchases available.

### Is ChemForge 9 free?

ChemForge 9 is free to download, with no in-app purchases.

### Do LabNote Chem or ChemForge 9 have ads?

Neither LabNote Chem nor ChemForge 9 shows ads.

### Which is updated more often, LabNote Chem or ChemForge 9?

LabNote Chem ships an update monthly, and ChemForge 9 fortnightly. Most recently, LabNote Chem was updated on October 22, 2026 and ChemForge 9 on October 8, 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.*