# BooLi vs BUK

The clearest difference is in-app purchases: BooLi at none against BUK's 4. BooLi also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). BUK's advantage is update cadence (every 4 days vs every 7 months). On price and device support there is nothing between them.

Both are free to download. BUK sells 4 in-app purchases, starting at $1.99 per 7 days. BooLi asks for nothing beyond the download.

BooLi ships an update every 7 months, BUK every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | BooLi | BUK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 14 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coppieters](https://appshunter.io/developer/1495077790) | [Aysenur Malkoc](https://appshunter.io/developer/1882331081) |

## What reviewers say

### BooLi

[App page](https://appshunter.io/ios/app/booli/id1643289643)

**Features:** macOS Compatibility

**In-app purchases:** none


### BUK

[App page](https://appshunter.io/ios/app/buk-social-book-tracker/id6760017515)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BUK Pro | $1.99 | per 7 days |
| BUK Keeper | $3.99 | per 7 days |
| BUK Pro | $12.99 | per year |
| BUK Keeper | $29.99 | per year |


## Frequently asked questions

### Is BooLi free?

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

### Is BUK free?

BUK is free to download, with in-app purchases available.

### Do BooLi or BUK have ads?

BUK shows ads; BooLi does not.

### Which is updated more often, BooLi or BUK?

BooLi ships an update every 7 months, and BUK every 4 days. Most recently, BooLi was updated on October 25, 2026 and BUK on October 25, 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.*