# Library Catalog vs Курс Чудес Аудио

The clearest difference is update cadence: Library Catalog at every 3 weeks against Курс Чудес Аудио's every 6 weeks. Курс Чудес Аудио's advantage is iOS requirement (13.4 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.

Library Catalog ships an update every 3 weeks, Курс Чудес Аудио every 6 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Library Catalog | Курс Чудес Аудио |
| --- | --- | --- |
| 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 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 69 MB | 24 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Vladimir Yakushev](https://appshunter.io/developer/1515907398) | [Serhii Chechin](https://appshunter.io/developer/1776477445) |

## What reviewers say

### Library Catalog

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

Organize your personal book collection digitally. Easily add books, create custom lists, and share your collections. Discover new reads with expert recommendations and manage wish-lists across all your devices.

**Highlights:** Add books with a few clicks, Organize books on virtual shelves, Create custom book lists, Share book collections and links, Get expert recommendations, Manage wish-lists and reading lists, Access lists on all devices

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

**In-app purchases:** none


### Курс Чудес Аудио

[App page](https://appshunter.io/ios/app/id6737758631)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Library Catalog free?

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

### Is Курс Чудес Аудио free?

Курс Чудес Аудио is free to download, with no in-app purchases.

### Do Library Catalog or Курс Чудес Аудио have ads?

Neither Library Catalog nor Курс Чудес Аудио shows ads.

### Which is updated more often, Library Catalog or Курс Чудес Аудио?

Library Catalog ships an update every 3 weeks, and Курс Чудес Аудио every 6 weeks. Most recently, Library Catalog was updated on November 7, 2026 and Курс Чудес Аудио on November 8, 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.*