# Prayer Book vs Calitre

The clearest difference is device support: Prayer Book at 3 against Calitre's 1. Prayer Book also leads on iOS requirement (15.0 vs 17.6). On price, 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.

## The numbers

| Metric | Prayer Book | Calitre |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 4 MB | 83 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jozef Gaborik](https://appshunter.io/developer/1882108077) | [Filip Smalec](https://appshunter.io/developer/1891744430) |

## What reviewers say

### Prayer Book

[App page](https://appshunter.io/ios/app/prayer-book-catholic-prayers/id6759986594)

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

**In-app purchases:** none


### Calitre

[App page](https://appshunter.io/ios/app/calitre/id6773376233)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prayer Book free?

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

### Is Calitre free?

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

### Do Prayer Book or Calitre have ads?

Neither Prayer Book nor Calitre 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.*