# Chemistry Glossary vs DoPaper

The clearest difference is in-app purchases: Chemistry Glossary at none against DoPaper's 10. Chemistry Glossary also leads on iOS requirement (12.0 vs 15.1). DoPaper's advantage is update cadence (fortnightly vs every 31 months). On price, ads and device support there is nothing between them.

Both are free to download. DoPaper sells 10 one-off in-app purchases. Chemistry Glossary asks for nothing beyond the download.

Chemistry Glossary ships an update every 31 months, DoPaper fortnightly. Both last shipped on November 4, 2026.

## The numbers

| Metric | Chemistry Glossary | DoPaper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Fortnightly** |
| Size | 85 MB | 31 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) | [Techcoo Limited](https://appshunter.io/developer/1751168247) |

## What reviewers say

### Chemistry Glossary

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

**Features:** macOS Compatibility

**In-app purchases:** none


### DoPaper

[App page](https://appshunter.io/ios/app/dopaper/id6504157589)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AWS ALF Premium | $0.99 | one-time |
| AWS DVA Premium | $0.99 | one-time |
| Microsoft Azure AZ-900 Premium | $0.99 | one-time |
| Premium - Remove Ads | $1.99 | one-time |
| AWS SOA Premium | $1.99 | one-time |
| AWS CLF Premium | $2.99 | one-time |
| AWS DEA Premium | $4.99 | one-time |
| AWS MLS Premium | $4.99 | one-time |
| AWS SCS Premium | $4.99 | one-time |
| AWS ANS Premium | $4.99 | one-time |


## Frequently asked questions

### Is Chemistry Glossary free?

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

### Is DoPaper free?

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

### Do Chemistry Glossary or DoPaper have ads?

Neither Chemistry Glossary nor DoPaper shows ads.

### Which is updated more often, Chemistry Glossary or DoPaper?

Chemistry Glossary ships an update every 31 months, and DoPaper fortnightly. Most recently, Chemistry Glossary was updated on November 4, 2026 and DoPaper on November 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*