# Twinkle Clock vs StarTrail

The clearest difference is in-app purchases: StarTrail at none against Twinkle Clock's 1. Twinkle Clock's advantage is device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Twinkle Clock | StarTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 23 MB | 91 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hiroyasu Hirai](https://appshunter.io/developer/455568461) | [taewan kwon](https://appshunter.io/developer/1834645608) |

## What reviewers say

### Twinkle Clock

[App page](https://appshunter.io/ios/app/twinkle-clock/id6467501688)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twinkle Clock Pro | $24.99 | 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 Twinkle Clock free?

Twinkle Clock is free to download, with in-app purchases available.

### Is StarTrail free?

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

### Do Twinkle Clock or StarTrail have ads?

Neither Twinkle Clock 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.*