# MoBooks vs BUK

The clearest difference is in-app purchases: MoBooks at none against BUK's 4. MoBooks also leads on ads (none vs shown). BUK's advantage is iOS requirement (15.1 vs 17.5). 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. MoBooks asks for nothing beyond the download.

## The numbers

| Metric | MoBooks | BUK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Size | 2 MB | 51 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohameth Seck](https://appshunter.io/developer/1269710356) | [Aysenur Malkoc](https://appshunter.io/developer/1882331081) |

## What reviewers say

### MoBooks

[App page](https://appshunter.io/ios/app/mobooks-reading-tracker/id6745746985)

**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 MoBooks free?

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

### Is BUK free?

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

### Do MoBooks or BUK have ads?

BUK shows ads; MoBooks does not.

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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.*