# CU vs NIA Library

The clearest difference is in-app purchases: NIA Library at none against CU's 10. NIA Library also leads on update cadence (every 6 weeks vs every 6 months). CU's advantage is iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. CU sells 10 one-off in-app purchases. NIA Library asks for nothing beyond the download.

CU ships an update every 6 months, NIA Library every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | CU | NIA Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/cu-ebook-store/id537037074/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 23 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [MEB Corporation Public Company Limited](https://appshunter.io/developer/436964329) | [BOOKDOSE COMPANY LIMITED](https://appshunter.io/developer/459445000) |

## What reviewers say

### CU

[App page](https://appshunter.io/ios/app/cu-ebook-store/id537037074)

Access a digital library of academic books and magazines from leading publishers. Read, annotate, and manage your downloaded content with a user-friendly reader designed for comfort and convenience.

**Highlights:** Browse and search academic books, Download and read e-books, Adjustable text size and fonts, Night mode and brightness control, Take notes and draw on pages, Bookmark and resume reading, Review and rate books

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| หนังสือราคา 1.99 USD | $1.99 | one-time |
| เข็มทิศชีวิต II | $2.99 | one-time |
| หนังสือราคา 2.99 USD | $2.99 | one-time |
| หนังสือราคา 3.99 USD | $3.99 | one-time |
| 100 WAYS TO SAY IN ENGLISH | $4.99 | one-time |
| หนังสือราคา 4.99 USD | $4.99 | one-time |
| หนังสือราคา 5.99 USD | $5.99 | one-time |
| หนังสือราคา 6.99 USD | $6.99 | one-time |
| หนังสือราคา 7.99 USD | $7.99 | one-time |
| หนังสือราคา 8.99 USD | $8.99 | one-time |


### NIA Library

[App page](https://appshunter.io/ios/app/nia-library/id1186572775)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CU free?

CU is free to download, with in-app purchases available.

### Is NIA Library free?

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

### Do CU or NIA Library have ads?

Neither CU nor NIA Library shows ads.

### Which is updated more often, CU or NIA Library?

CU ships an update every 6 months, and NIA Library every 6 weeks. Most recently, CU was updated on November 1, 2026 and NIA Library on November 2, 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.*