# Chemistry Glossary vs LabNote Chem

The clearest difference is in-app purchases: Chemistry Glossary at none against LabNote Chem's 1. Chemistry Glossary also leads on iOS requirement (12.0 vs 15.1). LabNote Chem's advantage is update cadence (monthly vs every 31 months). On price, ads and device support there is nothing between them.

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

Chemistry Glossary ships an update every 31 months, LabNote Chem monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chemistry Glossary | LabNote Chem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Monthly** |
| Size | 85 MB | 118 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) | [Satoshi Kobayashi](https://appshunter.io/developer/1866585930) |

## What reviewers say

### Chemistry Glossary

[App page](https://appshunter.io/ios/app/chemistry-glossary/id1601772255)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chemistry Glossary free?

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

### Is LabNote Chem free?

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

### Do Chemistry Glossary or LabNote Chem have ads?

Neither Chemistry Glossary nor LabNote Chem shows ads.

### Which is updated more often, Chemistry Glossary or LabNote Chem?

Chemistry Glossary ships an update every 31 months, and LabNote Chem monthly. Most recently, Chemistry Glossary was updated on November 7, 2026 and LabNote Chem on October 31, 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.*