# Книжная коллекция vs 23 Devs Library

The clearest difference is ads: 23 Devs Library at none against Книжная коллекция's shown. 23 Devs Library also leads on iOS requirement (12.0 vs 15.6). On price, 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.

## The numbers

| Metric | Книжная коллекция | 23 Devs Library |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (13 ratings)](https://appshunter.io/ios/app/id1319269577/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 58.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Ad-supported | — |
| Size | 51 MB | 29 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Nemaltsev](https://appshunter.io/developer/1319269576) | [NINA SAVELJEVA](https://appshunter.io/developer/962670684) |

## What reviewers say

### Книжная коллекция

[App page](https://appshunter.io/ios/app/id1319269577)

Access a vast collection of free books from open sources for personal reading. Customize your reading experience with adjustable text size, font, and background settings. Enjoy offline reading and bookmarking your favorite passages.

**Highlights:** Free books from open sources, Adjustable text size and font, Customizable background, Bookmark creation, Night mode, Offline reading mode

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

**In-app purchases:** none


### 23 Devs Library

[App page](https://appshunter.io/ios/app/23-devs-library/id6472991915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Книжная коллекция free?

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

### Is 23 Devs Library free?

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

### Do Книжная коллекция or 23 Devs Library have ads?

Книжная коллекция shows ads; 23 Devs Library does not.

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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.*