# Horizon Class vs XobéBook

The clearest difference is iOS requirement: Horizon Class at 15.6 against XobéBook's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Horizon Class | XobéBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 115 MB | 39 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Ruden Naggai ELENGA GOMEZ](https://appshunter.io/developer/1848458529) | [Abdourahmane Fall](https://appshunter.io/developer/1752052847) |

## What reviewers say

### Horizon Class

[App page](https://appshunter.io/ios/app/horizon-class/id6754470109)

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

**In-app purchases:** none


### XobéBook

[App page](https://appshunter.io/ios/app/xobebook/id6756220512)

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

**In-app purchases:** none


## Frequently asked questions

### Is Horizon Class free?

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

### Is XobéBook free?

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

### Do Horizon Class or XobéBook have ads?

Neither Horizon Class nor XobéBook shows ads.

### Which is updated more often, Horizon Class or XobéBook?

Horizon Class ships an update every 3 weeks, and XobéBook every 3 weeks. Most recently, Horizon Class was updated on October 30, 2026 and XobéBook on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*