# RDP Library vs Library Catalog

The clearest difference is update cadence: Library Catalog at every 3 weeks against RDP Library's every 44 months. RDP Library's advantage is iOS requirement (12.1 vs 17.0). 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.

RDP Library ships an update every 44 months, Library Catalog every 3 weeks. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RDP Library | Library Catalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (15 ratings)](https://appshunter.io/ios/app/library-catalog/id1515907399/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 28 MB | 62 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [BOOKDOSE COMPANY LIMITED](https://appshunter.io/developer/459445000) | [Vladimir Yakushev](https://appshunter.io/developer/1515907398) |

## What reviewers say

### RDP Library

[App page](https://appshunter.io/ios/app/rdp-library/id1298386562)

**Features:** macOS Compatibility

**In-app purchases:** none


### Library Catalog

[App page](https://appshunter.io/ios/app/library-catalog/id1515907399)

Organize all your printed books digitally with this app. Easily add books, create custom lists, and attach them to virtual shelves for quick retrieval. Share collections, get expert recommendations, and access your library across all devices.

**Highlights:** Add books with a few clicks, Attach printed books to virtual shelves, Create book lists using a global database, Share book collections and links, Get expert recommendations, Make wish-lists and reading lists, Access lists on all devices

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

**In-app purchases:** none


## Frequently asked questions

### Is RDP Library free?

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

### Is Library Catalog free?

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

### Do RDP Library or Library Catalog have ads?

Neither RDP Library nor Library Catalog shows ads.

### Which is updated more often, RDP Library or Library Catalog?

RDP Library ships an update every 44 months, and Library Catalog every 3 weeks. Most recently, RDP Library was updated on October 3, 2026 and Library Catalog on October 11, 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.*