# CloudLabs Aldehyde Synthesis vs Chemistry Glossary

The clearest difference is iOS requirement: CloudLabs Aldehyde Synthesis at 9.0 against Chemistry Glossary's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CloudLabs Aldehyde Synthesis ships an update every 29 months, Chemistry Glossary every 31 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | CloudLabs Aldehyde Synthesis | Chemistry Glossary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 31 months |
| Size | 82 MB | 85 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) |

## What reviewers say

### CloudLabs Aldehyde Synthesis

[App page](https://appshunter.io/ios/app/cloudlabs-aldehyde-synthesis/id1596512819)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemistry Glossary

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Aldehyde Synthesis free?

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

### Is Chemistry Glossary free?

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

### Do CloudLabs Aldehyde Synthesis or Chemistry Glossary have ads?

Neither CloudLabs Aldehyde Synthesis nor Chemistry Glossary shows ads.

### Which is updated more often, CloudLabs Aldehyde Synthesis or Chemistry Glossary?

CloudLabs Aldehyde Synthesis ships an update every 29 months, and Chemistry Glossary every 31 months. Most recently, CloudLabs Aldehyde Synthesis was updated on November 7, 2026 and Chemistry Glossary on November 7, 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.*