# Bookshelf vs CSC Hub

The clearest difference is update cadence: Bookshelf at every 6 weeks against CSC Hub's every 5 months. Bookshelf also leads on chart position (#102 vs unranked). CSC Hub's advantage is iOS requirement (14.2 vs 17.6). 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.

Bookshelf ships an update every 6 weeks, CSC Hub every 5 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Bookshelf | CSC Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (80K ratings)](https://appshunter.io/ios/app/bookshelf/id389359495/reviews)** | — |
| Number of ratings | **80K** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free | — |
| Best chart rank | **#102** | — |
| Size | 185 MB | 8 MB |
| Requires iOS | 17.6 | **14.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [VitalSource Technologies, Inc.](https://appshunter.io/developer/333263745) | [UCROO](https://appshunter.io/developer/662021288) |

## What reviewers say

### Bookshelf

[App page](https://appshunter.io/ios/app/bookshelf/id389359495)

**Currently charting:** #102 Top Free · Education (US App Store)

Access and study your digital textbooks on your iPad or iPhone. This app allows for offline reading, note-taking, flashcard creation, and customizable reading settings. Sync your progress across devices for a seamless study experience.

**Highlights:** Offline reading, Customizable highlighters and notes, Flashcard creation, Personalized reading settings, Read Aloud feature, Cross-device syncing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📚 Convenient access to textbooks
- 🔍 Useful search functionality
- 📚 Offline reading capability
- 🔖 Bookmark and note-taking features
- 🔊 Text-to-speech option

**What reviewers complain about**

- 🐛 Buggy highlighting and annotation tools
- 🖋️ Lack of Apple Pencil support
- 📚 Restricted functionality compared to other e-book apps
- 🔍 Inconsistent search and navigation experience
- 🔋 High battery consumption

**Reported bugs**

- Frequent crashes and freezes
- Issues with page loading and scrolling
- Inconsistent behavior when switching between devices
- Unreliable text-to-speech functionality

**Requested features**

- Improved highlighting and annotation tools
- Apple Pencil support for note-taking
- More customization options (e.g., font, layout, night mode)
- Seamless cross-device synchronization
- Enhanced search and navigation features


### CSC Hub

[App page](https://appshunter.io/ios/app/csc-hub/id6744045840)

**In-app purchases:** none


## Frequently asked questions

### Is Bookshelf free?

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

### Is CSC Hub free?

CSC Hub is free to download, with no in-app purchases.

### Do Bookshelf or CSC Hub have ads?

Neither Bookshelf nor CSC Hub shows ads.

### Which is updated more often, Bookshelf or CSC Hub?

Bookshelf ships an update every 6 weeks, and CSC Hub every 5 months. Most recently, Bookshelf was updated on October 25, 2026 and CSC Hub on October 21, 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.*