# CCPS Glossary vs Wiley Reader

The clearest difference is ratings volume: Wiley Reader at 1.1K against CCPS Glossary's 2. CCPS Glossary's advantage is rating (5.0 vs 4.8) and iOS requirement (13.4 vs 15.6). 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.

CCPS Glossary holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Wiley Reader has 1.1K ratings behind it against 2, so its average is the more settled of the two.

CCPS Glossary ships an update every 2 months, Wiley Reader every 5 weeks. The most recent releases landed on June 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | CCPS Glossary | Wiley Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ccps-glossary/id1096070774/reviews)** | [4.8 (1.1K ratings)](https://appshunter.io/ios/app/wiley-reader/id1620356548/reviews) |
| Number of ratings | 2 | **1.1K** |
| Positive reviews | — | 47.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 41 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIChE](https://appshunter.io/developer/726639920) | [Wiley](https://appshunter.io/developer/334132751) |

## What reviewers say

### CCPS Glossary

[App page](https://appshunter.io/ios/app/ccps-glossary/id1096070774)

This educational tool provides definitions for terms and acronyms commonly found in Chemical Process Safety literature. It helps users expand their understanding of the field and look up unfamiliar terminology.

**Highlights:** Define chemical process safety terms, Look up unknown acronyms, Increase knowledge of chemical process safety, Handy reference tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Wiley Reader

[App page](https://appshunter.io/ios/app/wiley-reader/id1620356548)

Access and read your Wiley eBooks offline or on the go. Listen to your books with text-to-speech functionality. Sync your notes, highlights, and bookmarks across devices for a seamless learning experience.

**Highlights:** Offline eBook access, Text-to-speech functionality, Note-taking and highlighting, Bookmark management, Cross-device sync, Personalized display settings

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💾 Convenient for reading on the go
- 🔊 Text-to-speech feature
- 🔍 Helpful sample problems and explanations
- 📚 Well-designed for textbook reading

**What reviewers complain about**

- 🐛 Buggy and unstable performance
- 🤖 Poor navigation and user experience
- 🔍 Unreliable search and highlighting functionality
- 🔒 Lack of annotation and note-taking features

**Reported bugs**

- Pages not loading correctly
- Inability to log in or access account
- Inconsistent text formatting and layout
- Playback issues with text-to-speech

**Requested features**

- Add annotation and scribbling capabilities
- Improve page navigation and swiping
- Enhance search functionality and result display
- Sync highlights and notes across devices


## Frequently asked questions

### Is CCPS Glossary free?

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

### Is Wiley Reader free?

Wiley Reader is free to download, with no in-app purchases.

### Which has better reviews, CCPS Glossary or Wiley Reader?

CCPS Glossary is rated higher. CCPS Glossary averages 5.0 out of 5 from 2 ratings, while Wiley Reader averages 4.8 from 1.1K ratings.

### Do CCPS Glossary or Wiley Reader have ads?

Neither CCPS Glossary nor Wiley Reader shows ads.

### Which is updated more often, CCPS Glossary or Wiley Reader?

CCPS Glossary ships an update every 2 months, and Wiley Reader every 5 weeks. Most recently, CCPS Glossary was updated on June 3, 2026 and Wiley Reader on September 22, 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.*