# CRDP vs USEK Official

The clearest difference is update cadence: USEK Official at every 4 days against CRDP's every 3 months. 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.

CRDP ships an update every 3 months, USEK Official every 4 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CRDP | USEK Official |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (11 ratings)](https://appshunter.io/ios/app/crdp-ebooks/id1532675986/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 28 MB | 24 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Code S.a.r.l](https://appshunter.io/developer/1603877024) | [Holy Spirit University of Kaslik - USEK](https://appshunter.io/developer/1813560579) |

## What reviewers say

### CRDP

[App page](https://appshunter.io/ios/app/crdp-ebooks/id1532675986)

Access digital versions of national textbooks for all pre-university general education stages in Lebanon. This free application allows students and teachers to download all necessary books for the school year, facilitating distance learning.

**Highlights:** Digital national textbooks, Offline access, Resume reading, Bookmarks, Table of contents, Voice recorder, Notes and highlighting

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

**In-app purchases:** none


### USEK Official

[App page](https://appshunter.io/ios/app/usek-official/id6741477064)

**In-app purchases:** none


## Frequently asked questions

### Is CRDP free?

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

### Is USEK Official free?

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

### Do CRDP or USEK Official have ads?

Neither CRDP nor USEK Official shows ads.

### Which is updated more often, CRDP or USEK Official?

CRDP ships an update every 3 months, and USEK Official every 4 days. Most recently, CRDP was updated on November 3, 2026 and USEK Official on October 24, 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.*