# Twinkle Clock vs SkyNapse

The clearest difference is in-app purchases: SkyNapse at none against Twinkle Clock's 1. SkyNapse also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Twinkle Clock | SkyNapse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 23 MB | 5 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyasu Hirai](https://appshunter.io/developer/455568461) | [Pawel Piatkowski](https://appshunter.io/developer/1896053556) |

## 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 |


### SkyNapse

[App page](https://appshunter.io/ios/app/skynapse/id6765994173)

**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 SkyNapse free?

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

### Do Twinkle Clock or SkyNapse have ads?

Neither Twinkle Clock nor SkyNapse 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.*