# Astral Book vs StarTrail

The clearest difference is in-app purchases: StarTrail at none against Astral Book's 1. Astral Book's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Astral Book | StarTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 54 MB | 91 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [kazuki korenori](https://appshunter.io/developer/1884835388) | [taewan kwon](https://appshunter.io/developer/1834645608) |

## What reviewers say

### 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 |


### StarTrail

[App page](https://appshunter.io/ios/app/startrail-starpath/id6782247435)

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

**In-app purchases:** none


## Frequently asked questions

### Is Astral Book free?

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

### Is StarTrail free?

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

### Do Astral Book or StarTrail have ads?

Neither Astral Book nor StarTrail 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.*