# Immersive Publishing vs illumiBook

The clearest difference is update cadence: illumiBook at every 3 weeks against Immersive Publishing's every 42 months. On price, ads, 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.

Immersive Publishing ships an update every 42 months, illumiBook every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Immersive Publishing | illumiBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 386 MB | 30 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Immersive Publishing Ltd.](https://appshunter.io/developer/1540104810) | [AppSherpas Limited](https://appshunter.io/developer/343714976) |

## What reviewers say

### Immersive Publishing

[App page](https://appshunter.io/ios/app/immersive-publishing/id1540104808)

**Features:** Vision Pro support

**In-app purchases:** none


### illumiBook

[App page](https://appshunter.io/ios/app/illumibook/id6446170255)

This app enhances the reading experience by blending physical books with digital media, aiding literacy development and comprehension. It offers synchronized reading features and supports museum and gallery tours, making digital devices complementary to real-world exploration.

**Highlights:** Synchronized audio-assisted reading, Enhanced comprehension with physical books, Digital media integration with printed pages, Literacy support for young children, Museum, gallery, and street tours, Focus on real-world engagement

**In-app purchases:** none


## Frequently asked questions

### Is Immersive Publishing free?

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

### Is illumiBook free?

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

### Do Immersive Publishing or illumiBook have ads?

Neither Immersive Publishing nor illumiBook shows ads.

### Which is updated more often, Immersive Publishing or illumiBook?

Immersive Publishing ships an update every 42 months, and illumiBook every 3 weeks. Most recently, Immersive Publishing was updated on November 3, 2026 and illumiBook on November 7, 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.*