# Kokzhiek Library vs Ottisk

The clearest difference is update cadence: Kokzhiek Library at every 5 days against Ottisk's every 2 weeks. Kokzhiek Library also leads on iOS requirement (13.0 vs 26.0). 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.

Kokzhiek Library ships an update every 5 days, Ottisk every 2 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Kokzhiek Library | Ottisk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 9 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Dias Zhumagaliyev](https://appshunter.io/developer/1611954008) | [Andrei Toistev](https://appshunter.io/developer/6794246056) |

## 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


### Ottisk

[App page](https://appshunter.io/ios/app/ottisk/id6794246054)

**In-app purchases:** none


## Frequently asked questions

### Is Kokzhiek Library free?

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

### Is Ottisk free?

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

### Do Kokzhiek Library or Ottisk have ads?

Neither Kokzhiek Library nor Ottisk shows ads.

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

Kokzhiek Library ships an update every 5 days, and Ottisk every 2 weeks. Most recently, Kokzhiek Library was updated on November 5, 2026 and Ottisk on November 10, 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.*