# XobéBook vs Maths Post

The clearest difference is in-app purchases: XobéBook at none against Maths Post's 2. XobéBook also leads on update cadence (every 3 weeks vs every 2 months). Maths Post's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Maths Post sells 2 in-app purchases, starting at $3.99 per month. XobéBook asks for nothing beyond the download.

XobéBook ships an update every 3 weeks, Maths Post every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | XobéBook | Maths Post |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 39 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Abdourahmane Fall](https://appshunter.io/developer/1752052847) | [Julien DIEBOLD](https://appshunter.io/developer/1875332906) |

## What reviewers say

### XobéBook

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

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

**In-app purchases:** none


### Maths Post

[App page](https://appshunter.io/ios/app/maths-post-bac-but-bts-capes/id6779282948)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mensuel | $3.99 | per month |
| Annuel | $24.99 | per year |


## Frequently asked questions

### Is XobéBook free?

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

### Is Maths Post free?

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

### Do XobéBook or Maths Post have ads?

Neither XobéBook nor Maths Post shows ads.

### Which is updated more often, XobéBook or Maths Post?

XobéBook ships an update every 3 weeks, and Maths Post every 2 months. Most recently, XobéBook was updated on October 30, 2026 and Maths Post on October 31, 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.*