# BookBub vs Adopt a Book

The clearest difference is ads: BookBub at none against Adopt a Book's shown. BookBub also leads on chart position (#84 vs unranked). Adopt a Book's advantage is iOS requirement (15.5 vs 26.0). On price, update cadence, 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.

BookBub ships an update every 3 weeks, Adopt a Book every 2 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BookBub | Adopt a Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (960 ratings)](https://appshunter.io/ios/app/bookbub/id1030894438/reviews)** | — |
| Number of ratings | **960** | — |
| Positive reviews | 54.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Best chart rank | **#84** | — |
| Size | 4 MB | 101 MB |
| Requires iOS | 26.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Pubmark Inc.](https://appshunter.io/developer/1030894437) | [Praneeth Peiris](https://appshunter.io/developer/1638142024) |

## What reviewers say

### BookBub

[App page](https://appshunter.io/ios/app/bookbub/id1030894438)

**Currently charting:** #84 Top Free · Book (US App Store)

Discover daily deals on bestselling and free ebooks across all genres. Track your wishlist and receive price alerts for your favorite titles, ensuring you never miss a sale on books you want to read.

**Highlights:** Daily ebook deals, Hundreds of free ebooks, Personalized recommendations, Wishlist tracking, Price alerts, Genre and price filtering

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

**In-app purchases:** none

**What reviewers like**

- 🤩 Great deals on books
- 📚 Variety of genres and authors
- 💰 Affordable and free books
- 🔍 Personalized recommendations

**What reviewers complain about**

- 🔒 Limited to Apple Books only
- 🔍 Lack of search functionality
- 📝 Inability to leave reviews
- 🔁 Repeated email subscriptions

**Reported bugs**

- App crashes or freezes during use
- Sign-up and login issues
- Incompatibility with certain devices or operating systems

**Requested features**

- Add support for Kindle and other ebook platforms
- Implement search and filtering options
- Allow users to manage their reading lists and leave reviews
- Improve email subscription management


### Adopt a Book

[App page](https://appshunter.io/ios/app/adopt-a-book/id1638142022)

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

**In-app purchases:** none


## Frequently asked questions

### Is BookBub free?

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

### Is Adopt a Book free?

Adopt a Book is free to download, with no in-app purchases.

### Do BookBub or Adopt a Book have ads?

Adopt a Book shows ads; BookBub does not.

### Which is updated more often, BookBub or Adopt a Book?

BookBub ships an update every 3 weeks, and Adopt a Book every 2 weeks. Most recently, BookBub was updated on October 17, 2026 and Adopt a Book on October 11, 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.*