# Krilli vs BookInDZ

The clearest difference is ads: BookInDZ at none against Krilli's shown. BookInDZ also leads on update cadence (every 4 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Krilli ships an update every 9 days, BookInDZ every 4 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Krilli | BookInDZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 94 MB | 81 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SAIDI ADEL](https://appshunter.io/developer/1799040259) | [BOOK IN DZ](https://appshunter.io/developer/1894751195) |

## What reviewers say

### Krilli

[App page](https://appshunter.io/ios/app/krilli/id6742571756)

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

**In-app purchases:** none


### BookInDZ

[App page](https://appshunter.io/ios/app/bookindz/id6762582515)

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

**In-app purchases:** none


## Frequently asked questions

### Is Krilli free?

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

### Is BookInDZ free?

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

### Do Krilli or BookInDZ have ads?

Krilli shows ads; BookInDZ does not.

### Which is updated more often, Krilli or BookInDZ?

Krilli ships an update every 9 days, and BookInDZ every 4 days. Most recently, Krilli was updated on October 24, 2026 and BookInDZ on October 28, 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.*