# KACST vs Bookly بوكلي

The clearest difference is update cadence: Bookly بوكلي at weekly against KACST's monthly. 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.

KACST ships an update monthly, Bookly بوكلي weekly. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | KACST | Bookly بوكلي |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 121 MB | 58 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [King Abdulaziz City for Science and Technology](https://appshunter.io/developer/430811043) | [AHAJAZ LEY LLC](https://appshunter.io/developer/1847683305) |

## What reviewers say

### KACST

[App page](https://appshunter.io/ios/app/kacst/id1462168376)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bookly بوكلي

[App page](https://appshunter.io/ios/app/bookly/id6757137531)

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

**In-app purchases:** none


## Frequently asked questions

### Is KACST free?

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

### Is Bookly بوكلي free?

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

### Do KACST or Bookly بوكلي have ads?

Neither KACST nor Bookly بوكلي shows ads.

### Which is updated more often, KACST or Bookly بوكلي?

KACST ships an update monthly, and Bookly بوكلي weekly. Most recently, KACST was updated on October 10, 2026 and Bookly بوكلي on October 20, 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.*