# Cornerstone vs Pius X Catechism

The clearest difference is iOS requirement: Cornerstone at 16.4 against Pius X Catechism's 26.0. 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.

## The numbers

| Metric | Cornerstone | Pius X Catechism |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 140 MB | 280 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Michael Hayter](https://appshunter.io/developer/6789397999) | [Matthew McCarty](https://appshunter.io/developer/1676579862) |

## What reviewers say

### Cornerstone

[App page](https://appshunter.io/ios/app/cornerstone-bible-and-catechism/id6789397997)

**In-app purchases:** none


### Pius X Catechism

[App page](https://appshunter.io/ios/app/pius-x-catechism/id6811518069)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cornerstone free?

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

### Is Pius X Catechism free?

Pius X Catechism is free to download, with no in-app purchases.

### Do Cornerstone or Pius X Catechism have ads?

Neither Cornerstone nor Pius X Catechism shows ads.

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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.*