# PRO TUNER vs Starlight Clock

The clearest difference is in-app purchases: PRO TUNER at none against Starlight Clock's 1. PRO TUNER also leads on iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | PRO TUNER | Starlight Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 3 months |
| Size | 27 MB | 14 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ji-Won Lee](https://appshunter.io/developer/1531860872) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### PRO TUNER

[App page](https://appshunter.io/ios/app/pro-tuner/id1551801633)

**Features:** macOS Compatibility

**In-app purchases:** none


### Starlight Clock

[App page](https://appshunter.io/ios/app/starlight-clock/id6470951164)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starlight Clock with no ads | $2.99 | one-time |


## Frequently asked questions

### Is PRO TUNER free?

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

### Is Starlight Clock free?

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

### Do PRO TUNER or Starlight Clock have ads?

Both PRO TUNER and Starlight Clock show 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.*