# uLIBRARY vs Glassboxx

The clearest difference is rating: uLIBRARY at 5.0 against Glassboxx's 2.5. Glassboxx's advantage is ratings volume (55 vs 2) and review sentiment (27% vs 16%). 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.

uLIBRARY holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Glassboxx has 55 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 16% of uLIBRARY's written reviews are positive against 27% of Glassboxx's, so the app with the better star average is not the one people write more warmly about.

uLIBRARY ships an update every 2 months, Glassboxx every 6 weeks. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | uLIBRARY | Glassboxx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ulibrary/id977511203/reviews)** | [2.5 (55 ratings)](https://appshunter.io/ios/app/glassboxx/id1464705712/reviews) |
| Number of ratings | 2 | **55** |
| Positive reviews | 16.5% of reviews | **27.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 53 MB | 45 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Ulverscroft Group Ltd](https://appshunter.io/developer/977511202) | [Glassboxx Limited](https://appshunter.io/developer/1547970169) |

## What reviewers say

### uLIBRARY

[App page](https://appshunter.io/ios/app/ulibrary/id977511203)

Access your library's digital collection of eAudiobooks and eBooks on your smartphone or tablet. Browse, borrow, and enjoy content for free with your library membership. Features include personalized recommendations, offline listening and reading, and customizable reading and listening experiences.

**Highlights:** Browse and borrow digital library content, Search by genre and in-depth options, eAudio and eBook previews, Personalized recommendations, Offline listening and reading, Adjustable font sizes and colors, Automatic synchronization and bookmarking

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

**In-app purchases:** none


### Glassboxx

[App page](https://appshunter.io/ios/app/glassboxx/id1464705712)

Access your purchased eBooks and audiobooks from affiliated stores in one secure app. No passwords needed, just your email and a verification code. Enjoy offline reading and listening with advanced playback and reading features.

**Highlights:** Unified eBook and audiobook library, No password login, Offline reading and listening, Auto-save reading/listening position, Customizable reader (font, background), Audio playback controls (sleep timer, skip), Full text search

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

**In-app purchases:** none

**What reviewers like**

- ✨ Streamlined and elegant reading app
- 👍 User-friendly interface
- 💡 Font size customization
- 💡 Background customization
- 👍 Seamless transaction

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Books not downloading
- 🐛 Verification code issues
- 🐛 Poor customer support response
- 🐛 Unusable app experience

**Reported bugs**

- App crashes on startup
- App crashes when loading downloaded book
- App crashes between chapters
- App freezes
- App won't open

**Requested features**

- Bookmark feature
- See time remaining in entire audiobook
- Pagination via cursor keys on iPad Magic Keyboard
- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is uLIBRARY free?

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

### Is Glassboxx free?

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

### Which has better reviews, uLIBRARY or Glassboxx?

uLIBRARY is rated higher. uLIBRARY averages 5.0 out of 5 from 2 ratings, while Glassboxx averages 2.5 from 55 ratings.

### Do uLIBRARY or Glassboxx have ads?

Neither uLIBRARY nor Glassboxx shows ads.

### Which is updated more often, uLIBRARY or Glassboxx?

uLIBRARY ships an update every 2 months, and Glassboxx every 6 weeks. Most recently, uLIBRARY was updated on September 23, 2026 and Glassboxx on September 20, 2026.

---

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