# Pearson e vs Catholic DSI

The clearest difference is update cadence: Pearson e at every 3 months against Catholic DSI's every 8 months. Catholic DSI's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, 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.

Pearson e ships an update every 3 months, Catholic DSI every 8 months. The most recent releases landed on September 19, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Pearson e | Catholic DSI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/pearson-e-bookshelf/id1012911050/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 5 MB | 11 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pearson Education Asia Limited](https://appshunter.io/developer/429357888) | [eClass Limited](https://appshunter.io/developer/1683448274) |

## What reviewers say

### Pearson e

[App page](https://appshunter.io/ios/app/pearson-e-bookshelf/id1012911050)

Access and download Pearson textbooks for offline study on tablets. Features include note-taking, voice recording, digital exercises, and classroom management tools for teachers.

**Highlights:** Download e-Textbooks for offline use, Note-taking with text, voice, and drawings, Digital exercises with auto-marking, Interactive tools for peer evaluation, Classroom management for teachers, Synchronize notes across devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Catholic DSI

[App page](https://appshunter.io/ios/app/catholic-dsi/id1432383432)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pearson e free?

Pearson e is free to download, with no in-app purchases.

### Is Catholic DSI free?

Catholic DSI is free to download, with no in-app purchases.

### Do Pearson e or Catholic DSI have ads?

Neither Pearson e nor Catholic DSI shows ads.

### Which is updated more often, Pearson e or Catholic DSI?

Pearson e ships an update every 3 months, and Catholic DSI every 8 months. Most recently, Pearson e was updated on September 19, 2026 and Catholic DSI on September 15, 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.*