# ObjectBlocks Management Tool vs Chemistry Glossary

The clearest difference is update cadence: ObjectBlocks Management Tool at every 9 months against Chemistry Glossary's every 31 months. Chemistry Glossary's advantage is iOS requirement (12.0 vs 14.3). On price, ads, in-app purchases and device support there is nothing between them.

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

ObjectBlocks Management Tool ships an update every 9 months, Chemistry Glossary every 31 months. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ObjectBlocks Management Tool | Chemistry Glossary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 31 months |
| Size | 6 MB | 85 MB |
| Requires iOS | 14.3 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Binary Creation Limited](https://appshunter.io/developer/1478736242) | [Apps Resource Centre, Hong Kong Baptist University](https://appshunter.io/developer/1375410542) |

## What reviewers say

### ObjectBlocks Management Tool

[App page](https://appshunter.io/ios/app/objectblocks-management-tool/id1478736243)

**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 ObjectBlocks Management Tool free?

ObjectBlocks Management Tool 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 ObjectBlocks Management Tool or Chemistry Glossary have ads?

Neither ObjectBlocks Management Tool nor Chemistry Glossary shows ads.

### Which is updated more often, ObjectBlocks Management Tool or Chemistry Glossary?

ObjectBlocks Management Tool ships an update every 9 months, and Chemistry Glossary every 31 months. Most recently, ObjectBlocks Management Tool was updated on October 19, 2026 and Chemistry Glossary on October 2, 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.*