# CCPS PSIE vs Wiley Reader

The clearest difference is rating: Wiley Reader at 4.8 against CCPS PSIE's 2.3. Wiley Reader also leads on ratings volume (1.1K vs 6) and review sentiment (48% vs 33%). CCPS PSIE's advantage is iOS requirement (12.4 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Wiley Reader holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Wiley Reader has 1.1K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 33% of CCPS PSIE's written reviews are positive against 48% of Wiley Reader's.

CCPS PSIE ships an update every 3 months, Wiley Reader every 5 weeks. The most recent releases landed on September 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | CCPS PSIE | Wiley Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/ccps-psie/id1219287652/reviews) | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/wiley-reader/id1620356548/reviews)** |
| Number of ratings | 6 | **1.1K** |
| Positive reviews | 33.3% of reviews | **47.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 35 MB | 41 MB |
| Requires iOS | **12.4** | 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 PSIE

[App page](https://appshunter.io/ios/app/ccps-psie/id1219287652)

This application guides users through evaluating chemical incidents against safety indicators. It features questionnaires for incident evaluation and severity weighting, along with a chemical database. Users can save, email, or print final reports.

**Highlights:** Incident evaluation questionnaire, Severity weighting questionnaire, Chemical and mixtures database, Custom chemical management, Report saving and emailing, Tier 1/Tier 2 PSE Criteria determination

**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 PSIE free?

CCPS PSIE 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 PSIE or Wiley Reader?

Wiley Reader is rated higher. CCPS PSIE averages 2.3 out of 5 from 6 ratings, while Wiley Reader averages 4.8 from 1.1K ratings.

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

Neither CCPS PSIE nor Wiley Reader shows ads.

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

CCPS PSIE ships an update every 3 months, and Wiley Reader every 5 weeks. Most recently, CCPS PSIE was updated on September 13, 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.*