# ChronoMaster Air vs Ghost Clock

The clearest difference is ads: ChronoMaster Air at none against Ghost Clock's shown. ChronoMaster Air also leads on iOS requirement (11.4 vs 13.0). Ghost Clock's advantage is device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ChronoMaster Air | Ghost Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Size | 13 MB | 106 MB |
| Requires iOS | **11.4** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Witschi Electronic AG](https://appshunter.io/developer/1511963304) | [春华 林](https://appshunter.io/developer/1705163950) |

## What reviewers say

### ChronoMaster Air

[App page](https://appshunter.io/ios/app/chronomaster-air/id1511963305)

**In-app purchases:** none


### Ghost Clock

[App page](https://appshunter.io/ios/app/ghost-clock/id6468918787)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChronoMaster Air free?

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

### Is Ghost Clock free?

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

### Do ChronoMaster Air or Ghost Clock have ads?

Ghost Clock shows ads; ChronoMaster Air does not.

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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.*