# ClassBook vs Boum!

The clearest difference is price: ClassBook at Free against Boum!'s $2.99. ClassBook also leads on update cadence (every 2 months vs every 33 months). Boum!'s advantage is in-app purchases (none vs 4) and review sentiment (100% vs 84%). On ads and device support there is nothing between them.

ClassBook is free to download; Boum! costs $2.99 up front. ClassBook sells 4 in-app purchases, starting at $2.99 per month. Boum! asks for nothing beyond the download.

ClassBook ships an update every 2 months, Boum! every 33 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ClassBook | Boum! |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/classbook-suivi-de-lecture/id630108040/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 84.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 33 months |
| Monetization | **Freemium** | Paid |
| Size | 36 MB | 70 MB |
| Requires iOS | 16.6 | **12.4** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aurelien WOLFERT](https://appshunter.io/developer/630108043) | [Les inéditeurs](https://appshunter.io/developer/795032542) |

## What reviewers say

### ClassBook

[App page](https://appshunter.io/ios/app/classbook-suivi-de-lecture/id630108040)

Manage your book collection, track reading progress, and discover new titles. Organize your library, set reading goals, and compare prices for wishlisted books. Features include reading sessions, loan tracking, and community trends.

**Highlights:** Create and manage book library, Search and filter books by ISBN, ASIN, or barcode scan, Create wishlists with price comparison, Track reading sessions and speed, Manage book loans, View reading statistics and trends, Participate in reading challenges

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Mensuel) | $2.99 | per month |
| Premium (Annuel) | $22.99 | per year |
| Bibliothèque illimitée | $1.99 | one-time |
| Synchronisation en temps réel | $1.99 | one-time |


### Boum!

[App page](https://appshunter.io/ios/app/boum/id998434373)

Experience a wordless narrative that unfolds horizontally on your tablet. This interactive story offers a unique graphical and acoustic immersion into a poetic universe, encouraging imagination and personal interpretation for all ages.

**Highlights:** Horizontal scrolling narrative, Graphical and acoustic immersion, Wordless storytelling, Interactive cover, Encourages imagination and interpretation, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ClassBook free?

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

### Is Boum! free?

Boum! costs $2.99, with no in-app purchases.

### Do ClassBook or Boum! have ads?

Neither ClassBook nor Boum! shows ads.

### Which is updated more often, ClassBook or Boum!?

ClassBook ships an update every 2 months, and Boum! every 33 months. Most recently, ClassBook was updated on October 26, 2026 and Boum! on October 19, 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.*