# Chapel Library vs Astral Book

The clearest difference is in-app purchases: Chapel Library at none against Astral Book's 1. Astral Book's advantage is update cadence (every 5 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Astral Book sells 1 one-off in-app purchase. Chapel Library asks for nothing beyond the download.

Chapel Library ships an update every 5 weeks, Astral Book every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chapel Library | Astral Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (36 ratings)](https://appshunter.io/ios/app/chapel-library/id1660821361/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 23 MB | 54 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Mt Zion Bible Church](https://appshunter.io/developer/1660821363) | [kazuki korenori](https://appshunter.io/developer/1884835388) |

## What reviewers say

### Chapel Library

[App page](https://appshunter.io/ios/app/chapel-library/id1660821361)

Explore centuries of Christ-centered sermons and books from Reformed and Puritan traditions. This collection focuses on humbling humanity and exalting God's grace in salvation.

**Highlights:** Christ-centered resources, Centuries of sermons, Reformed tradition books, Puritan tradition books, Humbling pride of man, Exalting grace of God

**Features:** macOS Compatibility

**In-app purchases:** none


### Astral Book

[App page](https://appshunter.io/ios/app/astral-book/id6764449141)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astral Book Pro | $5.99 | one-time |


## Frequently asked questions

### Is Chapel Library free?

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

### Is Astral Book free?

Astral Book is free to download, with in-app purchases available.

### Do Chapel Library or Astral Book have ads?

Neither Chapel Library nor Astral Book shows ads.

### Which is updated more often, Chapel Library or Astral Book?

Chapel Library ships an update every 5 weeks, and Astral Book every 5 days. Most recently, Chapel Library was updated on November 3, 2026 and Astral Book 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.*