# Boum! vs Phallaina

The clearest difference is price: Phallaina at Free against Boum!'s $2.99. Phallaina also leads on device support (3 vs 1). Boum!'s advantage is in-app purchases (none vs 1). On review sentiment, update cadence, ads and iOS requirement there is nothing between them.

Phallaina is free to download; Boum! costs $2.99 up front. Phallaina sells 1 one-off in-app purchase. Boum! asks for nothing beyond the download.

Boum! ships an update every 33 months, Phallaina every 37 months. The most recent releases landed on June 29, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Boum! | Phallaina |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.7 (15 ratings)](https://appshunter.io/ios/app/phallaina/id1310744939/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | **100.0% of reviews** | 92.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 33 months** | Every 37 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 70 MB | 318 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Les inéditeurs](https://appshunter.io/developer/795032542) | [Small Bang](https://appshunter.io/developer/977648096) |

## What reviewers say

### 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


### Phallaina

[App page](https://appshunter.io/ios/app/phallaina/id1310744939)

Experience a unique digital comic book that blends graphic novel storytelling with animated film elements. This scrolling narrative offers an immersive 90-minute experience with parallax effects and captivating sound design. Explore a world where science and mythology intertwine.

**Highlights:** Scrolling graphic novel format, Parallax effects for depth, Entrancing sound design, 90-minute narrative experience, Available in English and French, Combines cognitive science and mythology

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Story | Free | one-time |


## Frequently asked questions

### Is Boum! free?

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

### Is Phallaina free?

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

### Do Boum! or Phallaina have ads?

Neither Boum! nor Phallaina shows ads.

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

Boum! ships an update every 33 months, and Phallaina every 37 months. Most recently, Boum! was updated on June 29, 2026 and Phallaina on June 1, 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.*