# BookBubble vs Keeps

The clearest difference is in-app purchases: BookBubble at none against Keeps's 2. BookBubble also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Keeps sells 2 in-app purchases, starting at $3.49 per month. BookBubble asks for nothing beyond the download.

## The numbers

| Metric | BookBubble | Keeps |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Monetization | Free | — |
| Size | 60 MB | 59 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Timon Grassl](https://appshunter.io/developer/1825651216) | [Seungpyo Han](https://appshunter.io/developer/1812303539) |

## What reviewers say

### BookBubble

[App page](https://appshunter.io/ios/app/bookbubble/id6748405667)

This app provides a spoiler-free wiki for books, unlocking information chapter by chapter as you read. It also helps you track reading sessions, organize your library, and set reading goals to build a consistent habit.

**Highlights:** Spoiler-free fan wiki, Chapter-by-chapter entry unlocking, Reading session tracking, Ambient reading music, Customizable book library, Reading goal setting, Calendar view of reading habits

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

**In-app purchases:** none


### Keeps

[App page](https://appshunter.io/ios/app/keeps-reading-tracker/id6757674636)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro plan | $3.49 | per month |
| Pro Plan | $34.99 | per year |


## Frequently asked questions

### Is BookBubble free?

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

### Is Keeps free?

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

### Do BookBubble or Keeps have ads?

Keeps shows ads; BookBubble 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.*