# Kokzhiek Library vs JustReader

The clearest difference is monetization model: JustReader at free against Kokzhiek Library's free with in-app purchases. Kokzhiek Library's advantage is update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kokzhiek Library ships an update every 5 days, JustReader fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kokzhiek Library | JustReader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Dias Zhumagaliyev](https://appshunter.io/developer/1611954008) | [Oleksii Koshkin](https://appshunter.io/developer/6781187069) |

## What reviewers say

### Kokzhiek Library

[App page](https://appshunter.io/ios/app/kokzhiek-library/id6780876471)

Transform any file into a realistic book experience with page-turning effects and customizable reading modes. Organize your library, sync progress across devices, and enjoy comfortable reading with refined typography.

**Highlights:** Supports PDF, EPUB, FB2, TXT formats, Realistic page-turning animation, Multiple reading modes (page curl, swipe, scroll), Four reading themes, Personalized library with covers, Cross-device sync for progress and bookmarks, Bookmark and search functionality

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

**In-app purchases:** none


### JustReader

[App page](https://appshunter.io/ios/app/justreader-epub-and-fb2-reader/id6781187067)

A free, native reader for Mac, iPad, and iPhone that supports various file formats. It offers a customizable reading experience with multiple themes, fonts, and scroll options, plus on-device translation and no ads or tracking.

**Highlights:** Supports EPUB, FB2, MOBI, HTML, TXT, RTF, DOC/DOCX, Customizable themes, typefaces, and palettes, Continuous scroll, paged, or two-page spread, On-device translation, Chapter navigation and in-book search, No ads or tracking

**In-app purchases:** none


## Frequently asked questions

### Is Kokzhiek Library free?

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

### Is JustReader free?

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

### Do Kokzhiek Library or JustReader have ads?

Neither Kokzhiek Library nor JustReader shows ads.

### Which is updated more often, Kokzhiek Library or JustReader?

Kokzhiek Library ships an update every 5 days, and JustReader fortnightly. Most recently, Kokzhiek Library was updated on October 24, 2026 and JustReader 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.*